N-BK7, BiConvex Lenses (Uncoated)

SLB-B-P

N-BK7, BiConvex Lenses (Uncoated)
Out of stock
SKU
SLB-B-P
Symmetrical biconvex lenses are most useful when dealing with fnite conjugate points. This
makes them ideal for 1:1 imaging applications or for use in multi-element systems.
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Name Diameter φD Focal length Delivery Price Add to cart
i
Biconvex Lens 10mm Diameter 40.4mm Focal Length Uncoated
SLB-10B-40P
10mm 40.4mm
6-12 weeks
€19.80
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) φD≧φ10mm ; 20-10
φD<φ10mm ; 40-20 
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ10mm
Focal length f 40.4mm
Edge thickness te 2mm
Center thickness tc 2.6mm
Back focal length fb 39.6mm
Radius of curvature r 41.52mm
Centration <1′
i
Biconvex Lens 20mm Diameter 70.6mm Focal Length Uncoated
SLB-20B-70P
20mm 70.6mm
3-5 days
€24.70
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) φD≧φ10mm ; 20-10
φD<φ10mm ; 40-20 
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ20mm
Focal length f 70.6mm
Edge thickness te 2mm
Center thickness tc 3.4mm
Back focal length fb 69.4mm
Radius of curvature r 72.66mm
Centration <1′
i
Biconvex Lens 30mm Diameter 41.3mm Focal Length Uncoated
SLB-30B-40P
30mm 41.3mm
3-5 days
€30.90
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ30mm
Focal length f 41.3mm
Edge thickness te 2mm
Center thickness tc 7.6mm
Back focal length fb 38.7mm
Radius of curvature r 41.52mm
Centration <1′
i
Biconvex Lens 50mm Diameter 201mm Focal Length Uncoated
SLB-50B-200P
50mm 201mm
3-5 days
€40.10
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ50mm
Focal length f 201mm
Edge thickness te 3mm
Center thickness tc 6mm
Back focal length fb 199mm
Radius of curvature r 207.6mm
Centration <1′
i
Biconvex Lens 80mm Diameter 401.1mm Focal Length Uncoated
SLB-80B-400P
80mm 401.1mm
3-5 days
€89.50
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ80mm
Focal length f 401.1mm
Edge thickness te 3mm
Center thickness tc 6.9mm
Back focal length fb 398.9mm
Radius of curvature r 415.2mm
Centration <1′
i
Biconvex Lens 10mm Diameter 70.4mm Focal Length Uncoated
SLB-10B-70P
10mm 70.4mm
3-5 days
€19.80
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) φD≧φ10mm ; 20-10
φD<φ10mm ; 40-20 
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ10mm
Focal length f 70.4mm
Edge thickness te 2mm
Center thickness tc 2.3mm
Back focal length fb 69.6mm
Radius of curvature r 72.66mm
Centration <1′
i
Biconvex Lens 20mm Diameter 100.5mm Focal Length Uncoated
SLB-20B-100P
20mm 100.5mm
3-5 days
€24.70
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) φD≧φ10mm ; 20-10
φD<φ10mm ; 40-20 
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ20mm
Focal length f 100.5mm
Edge thickness te 2mm
Center thickness tc 3mm
Back focal length fb 99.5mm
Radius of curvature r 103.8mm
Centration <1′
i
Biconvex Lens 30mm Diameter 70.9mm Focal Length Uncoated
SLB-30B-70P
30mm 70.9mm
3-5 days
€30.90
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ30mm
Focal length f 70.9mm
Edge thickness te 2mm
Center thickness tc 5.1mm
Back focal length fb 69.1mm
Radius of curvature r 72.66mm
Centration <1′
i
Biconvex Lens 50mm Diameter 300.8mm Focal Length Uncoated
SLB-50B-300P
50mm 300.8mm
3-5 days
€38.90
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ50mm
Focal length f 300.8mm
Edge thickness te 3mm
Center thickness tc 5mm
Back focal length fb 299.2mm
Radius of curvature r 311.4mm
Centration <1′
i
Biconvex Lens 80mm Diameter 1000.7mm Focal Length Uncoated
SLB-80B-1000P
80mm 1000.7mm
6-12 weeks
€89.50
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ80mm
Focal length f 1000.7mm
Edge thickness te 3mm
Center thickness tc 4.5mm
Back focal length fb 999.3mm
Radius of curvature r 1038mm
Centration <1′
i
Biconvex Lens 5mm Diameter 6.4mm Focal Length Uncoated
SLB-05B-06P
5mm 6.4mm
3-5 days
€21.00
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) φD≧φ10mm ; 20-10
φD<φ10mm ; 40-20 
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ5mm
Focal length f 6.4mm
Edge thickness te 1.5mm
Center thickness tc 2.5mm
Back focal length fb 5.6mm
Radius of curvature r 6.23mm
Centration <3′
i
Biconvex Lens 5mm Diameter 12.3mm Focal Length Uncoated
SLB-05B-12P
5mm 12.3mm
6-12 weeks
€18.50
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) φD≧φ10mm ; 20-10
φD<φ10mm ; 40-20 
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ5mm
Focal length f 12.3mm
Edge thickness te 1.2mm
Center thickness tc 1.7mm
Back focal length fb 11.7mm
Radius of curvature r 12.46mm
Centration <3′
i
Biconvex Lens 10mm Diameter 100.4mm Focal Length Uncoated
SLB-10B-100P
10mm 100.4mm
3-5 days
€19.80
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) φD≧φ10mm ; 20-10
φD<φ10mm ; 40-20 
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ10mm
Focal length f 100.4mm
Edge thickness te 2mm
Center thickness tc 2.2mm
Back focal length fb 99.6mm
Radius of curvature r 103.8mm
Centration <1′
i
Biconvex Lens 25mm Diameter 26.5mm Focal Length Uncoated
SLB-25B-25P
25mm 26.5mm
3-5 days
€30.30
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ25mm
Focal length f 26.5mm
Edge thickness te 2mm
Center thickness tc 8.4mm
Back focal length fb 23.5mm
Radius of curvature r 25.95mm
Centration <1′
i
Biconvex Lens 30mm Diameter 120.6mm Focal Length Uncoated
SLB-30B-120P
30mm 120.6mm
3-5 days
€28.80
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ30mm
Focal length f 120.6mm
Edge thickness te 2mm
Center thickness tc 3.8mm
Back focal length fb 119.4mm
Radius of curvature r 124.56mm
Centration <1′
i
Biconvex Lens 50.8mm Diameter 72mm Focal Length Uncoated
SLB-50.8B-70P
50.8mm 72mm
6-12 weeks
€43.20
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ50.8mm
Focal length f 72mm
Edge thickness te 3mm
Center thickness tc 12.2mm
Back focal length fb 68mm
Radius of curvature r 72.66mm
Centration <1′
i
Biconvex Lens 100mm Diameter 252.1mm Focal Length Uncoated
SLB-100B-250P
100mm 252.1mm
3-5 days
€135.80
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ100mm
Focal length f 252.1mm
Edge thickness te 3mm
Center thickness tc 12.7mm
Back focal length fb 247.9mm
Radius of curvature r 259.5mm
Centration <1′
i
Biconvex Lens 5mm Diameter 25.2mm Focal Length Uncoated
SLB-05B-25P
5mm 25.2mm
3-5 days
€18.50
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) φD≧φ10mm ; 20-10
φD<φ10mm ; 40-20 
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ5mm
Focal length f 25.2mm
Edge thickness te 1.1mm
Center thickness tc 1.3mm
Back focal length fb 24.8mm
Radius of curvature r 25.95mm
Centration <3′
i
Biconvex Lens 12.7mm Diameter 25.6mm Focal Length Uncoated
SLB-12.7B-25P
12.7mm 25.6mm
3-5 days
€22.20
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) φD≧φ10mm ; 20-10
φD<φ10mm ; 40-20 
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ12.7mm
Focal length f 25.6mm
Edge thickness te 2mm
Center thickness tc 3.6mm
Back focal length fb 24.4mm
Radius of curvature r 25.95mm
Centration <1′
i
Biconvex Lens 25mm Diameter 41mm Focal Length Uncoated
SLB-25B-40P
25mm 41mm
3-5 days
€28.40
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ25mm
Focal length f 41mm
Edge thickness te 2mm
Center thickness tc 5.9mm
Back focal length fb 39mm
Radius of curvature r 41.52mm
Centration <1′
i
Biconvex Lens 30mm Diameter 200.5mm Focal Length Uncoated
SLB-30B-200P
30mm 200.5mm
6-12 weeks
€28.80
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ30mm
Focal length f 200.5mm
Edge thickness te 2mm
Center thickness tc 3.1mm
Back focal length fb 199.5mm
Radius of curvature r 207.6mm
Centration <1′
i
Biconvex Lens 50.8mm Diameter 101.5mm Focal Length Uncoated
SLB-50.8B-100P
50.8mm 101.5mm
6-12 weeks
€43.20
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ50.8mm
Focal length f 101.5mm
Edge thickness te 3mm
Center thickness tc 9.3mm
Back focal length fb 98.5mm
Radius of curvature r 103.8mm
Centration <1′
i
Biconvex Lens 100mm Diameter 501.3mm Focal Length Uncoated
SLB-100B-500P
100mm 501.3mm
3-5 days
€135.80
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ100mm
Focal length f 501.3mm
Edge thickness te 3mm
Center thickness tc 7.8mm
Back focal length fb 498.7mm
Radius of curvature r 519mm
Centration <1′
i
Biconvex Lens 6mm Diameter 10.3mm Focal Length Uncoated
SLB-06B-10P
6mm 10.3mm
3-5 days
€18.50
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) φD≧φ10mm ; 20-10
φD<φ10mm ; 40-20 
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ6mm
Focal length f 10.3mm
Edge thickness te 1mm
Center thickness tc 1.9mm
Back focal length fb 9.7mm
Radius of curvature r 10.38mm
Centration <3′
i
Biconvex Lens 12.7mm Diameter 50.5mm Focal Length Uncoated
SLB-12.7B-50P
12.7mm 50.5mm
6-12 weeks
€22.20
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) φD≧φ10mm ; 20-10
φD<φ10mm ; 40-20 
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ12.7mm
Focal length f 50.5mm
Edge thickness te 2mm
Center thickness tc 2.8mm
Back focal length fb 49.5mm
Radius of curvature r 51.90mm
Centration <1′
i
Biconvex Lens 25mm Diameter 70.7mm Focal Length Uncoated
SLB-25B-70P
25mm 70.7mm
3-5 days
€28.40
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ25mm
Focal length f 70.7mm
Edge thickness te 2mm
Center thickness tc 4.1mm
Back focal length fb 69.3mm
Radius of curvature r 72.66mm
Centration <1′
i
Biconvex Lens 40mm Diameter 51.7mm Focal Length Uncoated
SLB-40B-50P
40mm 51.7mm
3-5 days
€42.00
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ40mm
Focal length f 51.7mm
Edge thickness te 2mm
Center thickness tc 10mm
Back focal length fb 48.3mm
Radius of curvature r 51.9mm
Centration <1′
i
Biconvex Lens 50.8mm Diameter 171.1mm Focal Length Uncoated
SLB-50.8B-170P
50.8mm 171.1mm
6-12 weeks
€38.90
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ50.8mm
Focal length f 171.1mm
Edge thickness te 2.4mm
Center thickness tc 6.1mm
Back focal length fb 169mm
Radius of curvature r 176.46mm
Centration <1′
i
Biconvex Lens 6mm Diameter 20.2mm Focal Length Uncoated
SLB-06B-20P
6mm 20.2mm
3-5 days
€18.50
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) φD≧φ10mm ; 20-10
φD<φ10mm ; 40-20 
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ6mm
Focal length f 20.2mm
Edge thickness te 1mm
Center thickness tc 1.4mm
Back focal length fb 19.8mm
Radius of curvature r 20.76mm
Centration <3′
i
Biconvex Lens 15mm Diameter 16mm Focal Length Uncoated
SLB-15B-15P
15mm 16mm
3-5 days
€24.70
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) φD≧φ10mm ; 20-10
φD<φ10mm ; 40-20 
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ15mm
Focal length f 16mm
Edge thickness te 2mm
Center thickness tc 5.9mm
Back focal length fb 14mm
Radius of curvature r 15.57mm
Centration <1′
i
Biconvex Lens 25mm Diameter 100.6mm Focal Length Uncoated
SLB-25B-100P
25mm 100.6mm
3-5 days
€28.40
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ25mm
Focal length f 100.6mm
Edge thickness te 2mm
Center thickness tc 3.5mm
Back focal length fb 99.4mm
Radius of curvature r 103.8mm
Centration <1′
i
Biconvex Lens 40mm Diameter 81.2mm Focal Length Uncoated
SLB-40B-80P
40mm 81.2mm
3-5 days
€35.20
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ40mm
Focal length f 81.2mm
Edge thickness te 2mm
Center thickness tc 6.9mm
Back focal length fb 78.8mm
Radius of curvature r 83.04mm
Centration <1′
i
Biconvex Lens 50.8mm Diameter 300.8mm Focal Length Uncoated
SLB-50.8B-300P
50.8mm 300.8mm
6-12 weeks
€38.90
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ50.8mm
Focal length f 300.8mm
Edge thickness te 2.9mm
Center thickness tc 5mm
Back focal length fb 299.1mm
Radius of curvature r 311.4mm
Centration <1′
i
Biconvex Lens 7mm Diameter 12.5mm Focal Length Uncoated
SLB-07B-12P
7mm 12.5mm
6-12 weeks
€21.00
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) φD≧φ10mm ; 20-10
φD<φ10mm ; 40-20 
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ7mm
Focal length f 12.5mm
Edge thickness te 1.8mm
Center thickness tc 2.8mm
Back focal length fb 11.5mm
Radius of curvature r 12.46mm
Centration <3′
i
Biconvex Lens 15mm Diameter 30.6mm Focal Length Uncoated
SLB-15B-30P
15mm 30.6mm
3-5 days
€24.70
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) φD≧φ10mm ; 20-10
φD<φ10mm ; 40-20 
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ15mm
Focal length f 30.6mm
Edge thickness te 2mm
Center thickness tc 3.8mm
Back focal length fb 29.4mm
Radius of curvature r 31.14mm
Centration <1′
i
Biconvex Lens 25mm Diameter 200.5mm Focal Length Uncoated
SLB-25B-200P
25mm 200.5mm
3-5 days
€27.80
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ25mm
Focal length f 200.5mm
Edge thickness te 2mm
Center thickness tc 2.8mm
Back focal length fb 199.5mm
Radius of curvature r 207.6mm
Centration <1′
i
Biconvex Lens 40mm Diameter 120.9mm Focal Length Uncoated
SLB-40B-120P
40mm 120.9mm
3-5 days
€35.20
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ40mm
Focal length f 120.9mm
Edge thickness te 2mm
Center thickness tc 5.2mm
Back focal length fb 119.1mm
Radius of curvature r 124.56mm
Centration <1′
i
Biconvex Lens 60mm Diameter 82.4mm Focal Length Uncoated
SLB-60B-80P
60mm 82.4mm
3-5 days
€63.60
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ60mm
Focal length f 82.4mm
Edge thickness te 3mm
Center thickness tc 14.2mm
Back focal length fb 77.6mm
Radius of curvature r 83.04mm
Centration <1′
i
Biconvex Lens 8mm Diameter 8.6mm Focal Length Uncoated
SLB-08B-08P
8mm 8.6mm
3-5 days
€21.00
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) φD≧φ10mm ; 20-10
φD<φ10mm ; 40-20 
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ8mm
Focal length f 8.6mm
Edge thickness te 1.5mm
Center thickness tc 3.6mm
Back focal length fb 7.4mm
Radius of curvature r 8.3mm
Centration <3′
i
Biconvex Lens 15mm Diameter 60.5mm Focal Length Uncoated
SLB-15B-60P
15mm 60.5mm
3-5 days
€23.50
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) φD≧φ10mm ; 20-10
φD<φ10mm ; 40-20 
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ15mm
Focal length f 60.5mm
Edge thickness te 2mm
Center thickness tc 2.9mm
Back focal length fb 59.5mm
Radius of curvature r 62.28mm
Centration <1′
i
Biconvex Lens 25.4mm Diameter 36.1mm Focal Length Uncoated
SLB-25.4B-35P
25.4mm 36.1mm
3-5 days
€30.30
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ25.4mm
Focal length f 36.1mm
Edge thickness te 1.8mm
Center thickness tc 6.4mm
Back focal length fb 33.9mm
Radius of curvature r 36.33mm
Centration <1′
i
Biconvex Lens 40mm Diameter 200.6mm Focal Length Uncoated
SLB-40B-200P
40mm 200.6mm
3-5 days
€35.20
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ40mm
Focal length f 200.6mm
Edge thickness te 2mm
Center thickness tc 3.9mm
Back focal length fb 199.4mm
Radius of curvature r 207.6mm
Centration <1′
i
Biconvex Lens 60mm Diameter 121.7mm Focal Length Uncoated
SLB-60B-120P
60mm 121.7mm
6-12 weeks
€63.60
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ60mm
Focal length f 121.7mm
Edge thickness te 3mm
Center thickness tc 10.3mm
Back focal length fb 118.3mm
Radius of curvature r 124.56mm
Centration <1′
i
Biconvex Lens 8mm Diameter 15.4mm Focal Length Uncoated
SLB-08B-15P
8mm 15.4mm
6-12 weeks
€19.80
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) φD≧φ10mm ; 20-10
φD<φ10mm ; 40-20 
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ8mm
Focal length f 15.4mm
Edge thickness te 1.5mm
Center thickness tc 2.5mm
Back focal length fb 14.6mm
Radius of curvature r 15.57mm
Centration <3′
i
Biconvex Lens 15mm Diameter 90.4mm Focal Length Uncoated
SLB-15B-90P
15mm 90.4mm
3-5 days
€23.50
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) φD≧φ10mm ; 20-10
φD<φ10mm ; 40-20 
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ15mm
Focal length f 90.4mm
Edge thickness te 2mm
Center thickness tc 2.6mm
Back focal length fb 89.6mm
Radius of curvature r 93.42mm
Centration <1′
i
Biconvex Lens 25.4mm Diameter 60.8mm Focal Length Uncoated
SLB-25.4B-60P
25.4mm 60.8mm
3-5 days
€28.40
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ25.4mm
Focal length f 60.8mm
Edge thickness te 1.9mm
Center thickness tc 4.5mm
Back focal length fb 59.2mm
Radius of curvature r 62.28mm
Centration <1′
i
Biconvex Lens 50mm Diameter 62.3mm Focal Length Uncoated
SLB-50B-60P
50mm 62.3mm
3-5 days
€43.20
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ50mm
Focal length f 62.3mm
Edge thickness te 3mm
Center thickness tc 13.5mm
Back focal length fb 57.7mm
Radius of curvature r 62.28mm
Centration <1′
i
Biconvex Lens 60mm Diameter 201.2mm Focal Length Uncoated
SLB-60B-200P
60mm 201.2mm
3-5 days
€59.90
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ60mm
Focal length f 201.2mm
Edge thickness te 3mm
Center thickness tc 7.4mm
Back focal length fb 198.8mm
Radius of curvature r 207.6mm
Centration <1′
i
Biconvex Lens 10mm Diameter 10.8mm Focal Length Uncoated
SLB-10B-10P
10mm 10.8mm
6-12 weeks
€21.00
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) φD≧φ10mm ; 20-10
φD<φ10mm ; 40-20 
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ10mm
Focal length f 10.8mm
Edge thickness te 2mm
Center thickness tc 4.6mm
Back focal length fb 9.2mm
Radius of curvature r 10.38mm
Centration <1′
i
Biconvex Lens 20mm Diameter 26mm Focal Length Uncoated
SLB-20B-25P
20mm 26mm
3-5 days
€25.90
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) φD≧φ10mm ; 20-10
φD<φ10mm ; 40-20 
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ20mm
Focal length f 26mm
Edge thickness te 2mm
Center thickness tc 6mm
Back focal length fb 24mm
Radius of curvature r 25.95mm
Centration <1′
i
Biconvex Lens 25.4mm Diameter 100.6mm Focal Length Uncoated
SLB-25.4B-100P
25.4mm 100.6mm
3-5 days
€28.40
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ25.4mm
Focal length f 100.6mm
Edge thickness te 1.9mm
Center thickness tc 3.5mm
Back focal length fb 99.4mm
Radius of curvature r 103.8mm
Centration <1′
i
Biconvex Lens 50mm Diameter 91.6mm Focal Length Uncoated
SLB-50B-90P
50mm 91.6mm
3-5 days
€42.00
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ50mm
Focal length f 91.6mm
Edge thickness te 3mm
Center thickness tc 9.8mm
Back focal length fb 88.4mm
Radius of curvature r 93.42mm
Centration <1′
i
Biconvex Lens 80mm Diameter 103.2mm Focal Length Uncoated
SLB-80B-100P
80mm 103.2mm
6-12 weeks
€89.50
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ80mm
Focal length f 103.2mm
Edge thickness te 3mm
Center thickness tc 19mm
Back focal length fb 96.8mm
Radius of curvature r 103.8mm
Centration <1′
i
Biconvex Lens 10mm Diameter 25.5mm Focal Length Uncoated
SLB-10B-25P
10mm 25.5mm
3-5 days
€19.80
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) φD≧φ10mm ; 20-10
φD<φ10mm ; 40-20 
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ10mm
Focal length f 25.5mm
Edge thickness te 2mm
Center thickness tc 3mm
Back focal length fb 24.5mm
Radius of curvature r 25.95mm
Centration <1′
i
Biconvex Lens 20mm Diameter 50.7mm Focal Length Uncoated
SLB-20B-50P
20mm 50.7mm
3-5 days
€24.70
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) φD≧φ10mm ; 20-10
φD<φ10mm ; 40-20 
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ20mm
Focal length f 50.7mm
Edge thickness te 2mm
Center thickness tc 3.9mm
Back focal length fb 49.3mm
Radius of curvature r 51.9mm
Centration <1′
i
Biconvex Lens 30mm Diameter 31.7mm Focal Length Uncoated
SLB-30B-30P
30mm 31.7mm
3-5 days
€30.90
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ30mm
Focal length f 31.7mm
Edge thickness te 2mm
Center thickness tc 9.7mm
Back focal length fb 28.3mm
Radius of curvature r 31.14mm
Centration <1′
i
Biconvex Lens 50mm Diameter 151.2mm Focal Length Uncoated
SLB-50B-150P
50mm 151.2mm
3-5 days
€40.10
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ50mm
Focal length f 151.2mm
Edge thickness te 3mm
Center thickness tc 7mm
Back focal length fb 148.8mm
Radius of curvature r 155.7mm
Centration <1′
i
Biconvex Lens 80mm Diameter 251.5mm Focal Length Uncoated
SLB-80B-250P
80mm 251.5mm
3-5 days
€89.50
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ80mm
Focal length f 251.5mm
Edge thickness te 3mm
Center thickness tc 9.2mm
Back focal length fb 248.5mm
Radius of curvature r 259.5mm
Centration <1′
i
Biconvex Lens 10mm Diameter 50.4mm Focal Length Uncoated
SLB-10B-50P
10mm 50.4mm
3-5 days
€19.80
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) φD≧φ10mm ; 20-10
φD<φ10mm ; 40-20 
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ10mm
Focal length f 50.4mm
Edge thickness te 2mm
Center thickness tc 2.5mm
Back focal length fb 49.6mm
Radius of curvature r 51.9mm
Centration <1′
i
Biconvex Lens 20mm Diameter 80.5mm Focal Length Uncoated
SLB-20B-80P
20mm 80.5mm
3-5 days
€24.70
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) φD≧φ10mm ; 20-10
φD<φ10mm ; 40-20 
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ20mm
Focal length f 80.5mm
Edge thickness te 2mm
Center thickness tc 3.2mm
Back focal length fb 79.5mm
Radius of curvature r 83.04mm
Centration <1′
i
Biconvex Lens 30mm Diameter 51.1mm Focal Length Uncoated
SLB-30B-50P
30mm 51.1mm
3-5 days
€30.90
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ30mm
Focal length f 51.1mm
Edge thickness te 2mm
Center thickness tc 6.4mm
Back focal length fb 48.9mm
Radius of curvature r 51.9mm
Centration <1′
i
Biconvex Lens 50mm Diameter 220.9mm Focal Length Uncoated
SLB-50B-220P
50mm 220.9mm
6-12 weeks
€40.10
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ50mm
Focal length f 220.9mm
Edge thickness te 3mm
Center thickness tc 5.7mm
Back focal length fb 219.1mm
Radius of curvature r 228.36mm
Centration <1′
i
Biconvex Lens 80mm Diameter 501mm Focal Length Uncoated
SLB-80B-500P
80mm 501mm
6-12 weeks
€89.50
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ80mm
Focal length f 501mm
Edge thickness te 3mm
Center thickness tc 6.1mm
Back focal length fb 499mm
Radius of curvature r 519mm
Centration <1′
i
Biconvex Lens 10mm Diameter 80.4mm Focal Length Uncoated
SLB-10B-80P
10mm 80.4mm
6-12 weeks
€19.80
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) φD≧φ10mm ; 20-10
φD<φ10mm ; 40-20 
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ10mm
Focal length f 80.4mm
Edge thickness te 2mm
Center thickness tc 2.3mm
Back focal length fb 79.6mm
Radius of curvature r 83.04mm
Centration <1′
i
Biconvex Lens 20mm Diameter 120.5mm Focal Length Uncoated
SLB-20B-120P
20mm 120.5mm
3-5 days
€24.70
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) φD≧φ10mm ; 20-10
φD<φ10mm ; 40-20 
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ20mm
Focal length f 120.5mm
Edge thickness te 2mm
Center thickness tc 2.8mm
Back focal length fb 119.5mm
Radius of curvature r 124.56mm
Centration <1′
i
Biconvex Lens 30mm Diameter 80.8mm Focal Length Uncoated
SLB-30B-80P
30mm 80.8mm
3-5 days
€30.90
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ30mm
Focal length f 80.8mm
Edge thickness te 2mm
Center thickness tc 4.7mm
Back focal length fb 79.2mm
Radius of curvature r 83.04mm
Centration <1′
i
Biconvex Lens 50.8mm Diameter 52.7mm Focal Length Uncoated
SLB-50.8B-50P
50.8mm 52.7mm
3-5 days
€43.20
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ50.8mm
Focal length f 52.7mm
Edge thickness te 3mm
Center thickness tc 16.3mm
Back focal length fb 47.1mm
Radius of curvature r 51.9mm
Centration <1′
i
Biconvex Lens 100mm Diameter 153.3mm Focal Length Uncoated
SLB-100B-150P
100mm 153.3mm
3-5 days
€135.80
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ100mm
Focal length f 153.3mm
Edge thickness te 3mm
Center thickness tc 19.5mm
Back focal length fb 146.7mm
Radius of curvature r 155.7mm
Centration <1′
i
Biconvex Lens 5mm Diameter 8.4mm Focal Length Uncoated
SLB-05B-08P
5mm 8.4mm
3-5 days
€21.00
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) φD≧φ10mm ; 20-10
φD<φ10mm ; 40-20 
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ5mm
Focal length f 8.4mm
Edge thickness te 1.4mm
Center thickness tc 2.1mm
Back focal length fb 7.6mm
Radius of curvature r 8.3mm
Centration <3′
i
Biconvex Lens 5mm Diameter 15.3mm Focal Length Uncoated
SLB-05B-15P
5mm 15.3mm
6-12 weeks
€18.50
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) φD≧φ10mm ; 20-10
φD<φ10mm ; 40-20 
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ5mm
Focal length f 15.3mm
Edge thickness te 1.2mm
Center thickness tc 1.6mm
Back focal length fb 14.7mm
Radius of curvature r 15.57mm
Centration <3′
i
Biconvex Lens 12.7mm Diameter 13.0mm Focal Length Uncoated
SLB-12.7B-12P
12.7mm 13.0mm
3-5 days
€22.20
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) φD≧φ10mm ; 20-10
φD<φ10mm ; 40-20 
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ12.7mm
Focal length f 13.0mm
Edge thickness te 2mm
Center thickness tc 5.5mm
Back focal length fb 11.0mm
Radius of curvature r 12.46mm
Centration <1′
i
Biconvex Lens 25mm Diameter 31.2mm Focal Length Uncoated
SLB-25B-30P
25mm 31.2mm
3-5 days
€30.30
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ25mm
Focal length f 31.2mm
Edge thickness te 2mm
Center thickness tc 7.2mm
Back focal length fb 28.8mm
Radius of curvature r 31.14mm
Centration <1′
i
Biconvex Lens 30mm Diameter 150.6mm Focal Length Uncoated
SLB-30B-150P
30mm 150.6mm
3-5 days
€28.80
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ30mm
Focal length f 150.6mm
Edge thickness te 2mm
Center thickness tc 3.4mm
Back focal length fb 149.4mm
Radius of curvature r 155.7mm
Centration <1′
i
Biconvex Lens 50.8mm Diameter 81.8mm Focal Length Uncoated
SLB-50.8B-80P
50.8mm 81.8mm
3-5 days
€43.20
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ50.8mm
Focal length f 81.8mm
Edge thickness te 3mm
Center thickness tc 11mm
Back focal length fb 78.2mm
Radius of curvature r 83.04mm
Centration <1′
i
Biconvex Lens 100mm Diameter 301.8mm Focal Length Uncoated
SLB-100B-300P
100mm 301.8mm
6-12 weeks
€135.80
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ100mm
Focal length f 301.8mm
Edge thickness te 3mm
Center thickness tc 11.1mm
Back focal length fb 298.2mm
Radius of curvature r 311.4mm
Centration <1′
i
Biconvex Lens 6mm Diameter 6.4mm Focal Length Uncoated
SLB-06B-06P
6mm 6.4mm
3-5 days
€21.00
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) φD≧φ10mm ; 20-10
φD<φ10mm ; 40-20 
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ6mm
Focal length f 6.4mm
Edge thickness te 1mm
Center thickness tc 2.5mm
Back focal length fb 5.6mm
Radius of curvature r 6.23mm
Centration <3′
i
Biconvex Lens 12.7mm Diameter 30.6mm Focal Length Uncoated
SLB-12.7B-30P
12.7mm 30.6mm
3-5 days
€22.20
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) φD≧φ10mm ; 20-10
φD<φ10mm ; 40-20 
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ12.7mm
Focal length f 30.6mm
Edge thickness te 2mm
Center thickness tc 3.3mm
Back focal length fb 29.5mm
Radius of curvature r 31.14mm
Centration <1′
i
Biconvex Lens 25mm Diameter 50.8mm Focal Length Uncoated
SLB-25B-50P
25mm 50.8mm
3-5 days
€28.40
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ25mm
Focal length f 50.8mm
Edge thickness te 2mm
Center thickness tc 5.1mm
Back focal length fb 49.2mm
Radius of curvature r 51.9mm
Centration <1′
i
Biconvex Lens 30mm Diameter 250.5mm Focal Length Uncoated
SLB-30B-250P
30mm 250.5mm
3-5 days
€28.80
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ30mm
Focal length f 250.5mm
Edge thickness te 2mm
Center thickness tc 2.9mm
Back focal length fb 249.5mm
Radius of curvature r 259.5mm
Centration <1′
i
Biconvex Lens 50.8mm Diameter 121.3mm Focal Length Uncoated
SLB-50.8B-120P
50.8mm 121.3mm
6-12 weeks
€38.90
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ50.8mm
Focal length f 121.3mm
Edge thickness te 2.8mm
Center thickness tc 8mm
Back focal length fb 118.6mm
Radius of curvature r 124.56mm
Centration <1′
i
Biconvex Lens 100mm Diameter 701.1mm Focal Length Uncoated
SLB-100B-700P
100mm 701.1mm
6-12 weeks
€135.80
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ100mm
Focal length f 701.1mm
Edge thickness te 3mm
Center thickness tc 6.4mm
Back focal length fb 698.9mm
Radius of curvature r 726.6mm
Centration <1′
i
Biconvex Lens 6mm Diameter 12.3mm Focal Length Uncoated
SLB-06B-12P
6mm 12.3mm
3-5 days
€18.50
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) φD≧φ10mm ; 20-10
φD<φ10mm ; 40-20 
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ6mm
Focal length f 12.3mm
Edge thickness te 1mm
Center thickness tc 1.7mm
Back focal length fb 11.7mm
Radius of curvature r 12.46mm
Centration <3′
i
Biconvex Lens 12.7mm Diameter 60.4mm Focal Length Uncoated
SLB-12.7B-60P
12.7mm 60.4mm
6-12 weeks
€22.20
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) φD≧φ10mm ; 20-10
φD<φ10mm ; 40-20 
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ12.7mm
Focal length f 60.4mm
Edge thickness te 2mm
Center thickness tc 2.6mm
Back focal length fb 59.6mm
Radius of curvature r 62.28mm
i
Biconvex Lens 25mm Diameter 80.6mm Focal Length Uncoated
SLB-25B-80P
25mm 80.6mm
3-5 days
€28.40
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ25mm
Focal length f 80.6mm
Edge thickness te 2mm
Center thickness tc 3.9mm
Back focal length fb 79.4mm
Radius of curvature r 83.04mm
Centration <1′
i
Biconvex Lens 40mm Diameter 61.4mm Focal Length Uncoated
SLB-40B-60P
40mm 61.4mm
3-5 days
€35.20
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ40mm
Focal length f 61.4mm
Edge thickness te 2mm
Center thickness tc 8.6mm
Back focal length fb 58.6mm
Radius of curvature r 62.28mm
Centration <1′
i
Biconvex Lens 50.8mm Diameter 201mm Focal Length Uncoated
SLB-50.8B-200P
50.8mm 201mm
6-12 weeks
€38.90
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ50.8mm
Focal length f 201mm
Edge thickness te 2.9mm
Center thickness tc 6mm
Back focal length fb 199mm
Radius of curvature r 207.6mm
Centration <1′
i
Biconvex Lens 7mm Diameter 8.6mm Focal Length Uncoated
SLB-07B-08P
7mm 8.6mm
3-5 days
€21.00
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) φD≧φ10mm ; 20-10
φD<φ10mm ; 40-20 
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ7mm
Focal length f 8.6mm
Edge thickness te 2mm
Center thickness tc 3.6mm
Back focal length fb 7.4mm
Radius of curvature r 8.3mm
Centration <3′
i
Biconvex Lens 15mm Diameter 20.8mm Focal Length Uncoated
SLB-15B-20P
15mm 20.8mm
3-5 days
€24.70
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) φD≧φ10mm ; 20-10
φD<φ10mm ; 40-20 
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ15mm
Focal length f 20.8mm
Edge thickness te 2mm
Center thickness tc 4.8mm
Back focal length fb 19.2mm
Radius of curvature r 20.76mm
Centration <1′
i
Biconvex Lens 25mm Diameter 150.5mm Focal Length Uncoated
SLB-25B-150P
25mm 150.5mm
3-5 days
€27.80
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ25mm
Focal length f 150.5mm
Edge thickness te 2mm
Center thickness tc 3mm
Back focal length fb 149.5mm
Radius of curvature r 155.7mm
Centration <1′
i
Biconvex Lens 40mm Diameter 91.1mm Focal Length Uncoated
SLB-40B-90P
40mm 91.1mm
3-5 days
€35.20
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ40mm
Focal length f 91.1mm
Edge thickness te 2mm
Center thickness tc 6.3mm
Back focal length fb 88.9mm
Radius of curvature r 93.42mm
Centration <1′
i
Biconvex Lens 60mm Diameter 63.2mm Focal Length Uncoated
SLB-60B-60P
60mm 63.2mm
3-5 days
€63.60
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ60mm
Focal length f 63.2mm
Edge thickness te 3mm
Center thickness tc 18.4mm
Back focal length fb 56.8mm
Radius of curvature r 62.28mm
Centration <1′
i
Biconvex Lens 7mm Diameter 15.4mm Focal Length Uncoated
SLB-07B-15P
7mm 15.4mm
6-12 weeks
€21.00
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) φD≧φ10mm ; 20-10
φD<φ10mm ; 40-20 
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ7mm
Focal length f 15.4mm
Edge thickness te 1.7mm
Center thickness tc 2.5mm
Back focal length fb 14.6mm
Radius of curvature r 15.57mm
Centration <3′
i
Biconvex Lens 15mm Diameter 40.6mm Focal Length Uncoated
SLB-15B-40P
15mm 40.6mm
in stock
€24.70
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) φD≧φ10mm ; 20-10
φD<φ10mm ; 40-20 
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ15mm
Focal length f 40.6mm
Edge thickness te 2mm
Center thickness tc 3.4mm
Back focal length fb 39.4mm
Radius of curvature r 41.52mm
Centration <1′
i
Biconvex Lens 25.4mm Diameter 26.5mm Focal Length Uncoated
SLB-25.4B-25P
25.4mm 26.5mm
3-5 days
€30.30
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ25.4mm
Focal length f 26.5mm
Edge thickness te 1.8mm
Center thickness tc 8.4mm
Back focal length fb 23.6mm
Radius of curvature r 25.95mm
Centration <1′
i
Biconvex Lens 40mm Diameter 150.8mm Focal Length Uncoated
SLB-40B-150P
40mm 150.8mm
6-12 weeks
€35.20
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ40mm
Focal length f 150.8mm
Edge thickness te 2mm
Center thickness tc 4.6mm
Back focal length fb 149.2mm
Radius of curvature r 155.7mm
Centration <1′
i
Biconvex Lens 60mm Diameter 92.2mm Focal Length Uncoated
SLB-60B-90P
60mm 92.2mm
3-5 days
€63.60
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ60mm
Focal length f 92.2mm
Edge thickness te 3mm
Center thickness tc 13mm
Back focal length fb 87.8mm
Radius of curvature r 93.42mm
Centration <1′
i
Biconvex Lens 8mm Diameter 10.5mm Focal Length Uncoated
SLB-08B-10P
8mm 10.5mm
3-5 days
€21.00
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) φD≧φ10mm ; 20-10
φD<φ10mm ; 40-20 
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ8mm
Focal length f 10.5mm
Edge thickness te 1.5mm
Center thickness tc 3.1mm
Back focal length fb 9.5mm
Radius of curvature r 10.38mm
Centration <3′
i
Biconvex Lens 15mm Diameter 70.5mm Focal Length Uncoated
SLB-15B-70P
15mm 70.5mm
3-5 days
€23.50
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) φD≧φ10mm ; 20-10
φD<φ10mm ; 40-20 
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ15mm
Focal length f 70.5mm
Edge thickness te 2mm
Center thickness tc 2.8mm
Back focal length fb 69.5mm
Radius of curvature r 72.66mm
Centration <1′
i
Biconvex Lens 25.4mm Diameter 41mm Focal Length Uncoated
SLB-25.4B-40P
25.4mm 41mm
6-12 weeks
€30.30
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ25.4mm
Focal length f 41mm
Edge thickness te 1.9mm
Center thickness tc 5.9mm
Back focal length fb 39mm
Radius of curvature r 41.52mm
Centration <1′
i
Biconvex Lens 40mm Diameter 250.6mm Focal Length Uncoated
SLB-40B-250P
40mm 250.6mm
6-12 weeks
€35.20
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ40mm
Focal length f 250.6mm
Edge thickness te 2mm
Center thickness tc 3.5mm
Back focal length fb 249.4mm
Radius of curvature r 259.5mm
Centration <1′
i
Biconvex Lens 60mm Diameter 151.5mm Focal Length Uncoated
SLB-60B-150P
60mm 151.5mm
3-5 days
€59.90
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ60mm
Focal length f 151.5mm
Edge thickness te 3mm
Center thickness tc 8.8mm
Back focal length fb 148.5mm
Radius of curvature r 155.7mm
Centration <1′
i
Biconvex Lens 8mm Diameter 20.4mm Focal Length Uncoated
SLB-08B-20P
8mm 20.4mm
3-5 days
€19.80
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) φD≧φ10mm ; 20-10
φD<φ10mm ; 40-20 
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ8mm
Focal length f 20.4mm
Edge thickness te 1.5mm
Center thickness tc 2.3mm
Back focal length fb 19.6mm
Radius of curvature r 20.76mm
Centration <3′
i
Biconvex Lens 15mm Diameter 100.4mm Focal Length Uncoated
SLB-15B-100P
15mm 100.4mm
3-5 days
€23.50
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) φD≧φ10mm ; 20-10
φD<φ10mm ; 40-20 
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ15mm
Focal length f 100.4mm
Edge thickness te 2mm
Center thickness tc 2.5mm
Back focal length fb 99.6mm
Radius of curvature r 103.8mm
Centration <1′
i
Biconvex Lens 25.4mm Diameter 70.7mm Focal Length Uncoated
SLB-25.4B-70P
25.4mm 70.7mm
3-5 days
€28.40
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ25.4mm
Focal length f 70.7mm
Edge thickness te 1.9mm
Center thickness tc 4.1mm
Back focal length fb 69.3mm
Radius of curvature r 72.66mm
Centration <1′
i
Biconvex Lens 50mm Diameter 72mm Focal Length Uncoated
SLB-50B-70P
50mm 72mm
3-5 days
€42.00
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ50mm
Focal length f 72mm
Edge thickness te 3mm
Center thickness tc 11.9mm
Back focal length fb 68mm
Radius of curvature r 72.66mm
Centration <1′
i
Biconvex Lens 60mm Diameter 251.1mm Focal Length Uncoated
SLB-60B-250P
60mm 251.1mm
3-5 days
€59.90
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ60mm
Focal length f 251.1mm
Edge thickness te 3mm
Center thickness tc 6.5mm
Back focal length fb 248.9mm
Radius of curvature r 259.5mm
Centration <1′
i
Biconvex Lens 10mm Diameter 15.6mm Focal Length Uncoated
SLB-10B-15P
10mm 15.6mm
in stock
€21.00
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) φD≧φ10mm ; 20-10
φD<φ10mm ; 40-20 
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ10mm
Focal length f 15.6mm
Edge thickness te 2mm
Center thickness tc 3.6mm
Back focal length fb 14.4mm
Radius of curvature r 15.57mm
Centration <1′
i
Biconvex Lens 20mm Diameter 31mm Focal Length Uncoated
SLB-20B-30P
20mm 31mm
6-12 weeks
€25.90
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) φD≧φ10mm ; 20-10
φD<φ10mm ; 40-20 
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ20mm
Focal length f 31mm
Edge thickness te 2mm
Center thickness tc 5.3mm
Back focal length fb 29.1mm
Radius of curvature r 31.14mm
Centration <1′
i
Biconvex Lens 25.4mm Diameter 150.5mm Focal Length Uncoated
SLB-25.4B-150P
25.4mm 150.5mm
3-5 days
€27.80
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ25.4mm
Focal length f 150.5mm
Edge thickness te 2mm
Center thickness tc 3mm
Back focal length fb 149.5mm
Radius of curvature r 155.7mm
Centration <1′
i
Biconvex Lens 50mm Diameter 101.5mm Focal Length Uncoated
SLB-50B-100P
50mm 101.5mm
6-12 weeks
€40.10
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ50mm
Focal length f 101.5mm
Edge thickness te 3mm
Center thickness tc 9.1mm
Back focal length fb 98.5mm
Radius of curvature r 103.8mm
Centration <1′
i
Biconvex Lens 80mm Diameter 152.2mm Focal Length Uncoated
SLB-80B-150P
80mm 152.2mm
3-5 days
€89.50
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ80mm
Focal length f 152.2mm
Edge thickness te 3mm
Center thickness tc 13.5mm
Back focal length fb 147.8mm
Radius of curvature r 155.7mm
Centration <1′
i
Biconvex Lens 10mm Diameter 30.5mm Focal Length Uncoated
SLB-10B-30P
10mm 30.5mm
3-5 days
€19.80
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) φD≧φ10mm ; 20-10
φD<φ10mm ; 40-20 
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ10mm
Focal length f 30.5mm
Edge thickness te 2mm
Center thickness tc 2.8mm
Back focal length fb 29.5mm
Radius of curvature r 31.14mm
Centration <1′
i
Biconvex Lens 20mm Diameter 60.6mm Focal Length Uncoated
SLB-20B-60P
20mm 60.6mm
6-12 weeks
€24.70
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) φD≧φ10mm ; 20-10
φD<φ10mm ; 40-20 
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ20mm
Focal length f 60.6mm
Edge thickness te 2mm
Center thickness tc 3.6mm
Back focal length fb 59.4mm
Radius of curvature r 62.28mm
Centration <1′
i
Biconvex Lens 30mm Diameter 36.5mm Focal Length Uncoated
SLB-30B-35P
30mm 36.5mm
3-5 days
€30.90
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ30mm
Focal length f 36.5mm
Edge thickness te 2mm
Center thickness tc 8.5mm
Back focal length fb 33.5mm
Radius of curvature r 36.33mm
Centration <1′
i
Biconvex Lens 50mm Diameter 171.1mm Focal Length Uncoated
SLB-50B-170P
50mm 171.1mm
3-5 days
€40.10
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ50mm
Focal length f 171.1mm
Edge thickness te 3mm
Center thickness tc 6.6mm
Back focal length fb 168.9mm
Radius of curvature r 176.46mm
Centration <1′
i
Biconvex Lens 80mm Diameter 301.3mm Focal Length Uncoated
SLB-80B-300P
80mm 301.3mm
3-5 days
€89.50
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ80mm
Focal length f 301.3mm
Edge thickness te 3mm
Center thickness tc 8.2mm
Back focal length fb 298.7mm
Radius of curvature r 311.4mm
Centration <1′
i
Biconvex Lens 10mm Diameter 60.4mm Focal Length Uncoated
SLB-10B-60P
10mm 60.4mm
3-5 days
€19.80
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) φD≧φ10mm ; 20-10
φD<φ10mm ; 40-20 
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ10mm
Focal length f 60.4mm
Edge thickness te 2mm
Center thickness tc 2.4mm
Back focal length fb 59.6mm
Radius of curvature r 62.28mm
Centration <1′
i
Biconvex Lens 20mm Diameter 90.5mm Focal Length Uncoated
SLB-20B-90P
20mm 90.5mm
3-5 days
€24.70
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) φD≧φ10mm ; 20-10
φD<φ10mm ; 40-20 
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ20mm
Focal length f 90.5mm
Edge thickness te 2mm
Center thickness tc 3.1mm
Back focal length fb 89.5mm
Radius of curvature r 93.42mm
Centration <1′
i
Biconvex Lens 30mm Diameter 60.9mm Focal Length Uncoated
SLB-30B-60P
30mm 60.9mm
3-5 days
€30.90
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ30mm
Focal length f 60.9mm
Edge thickness te 2mm
Center thickness tc 5.7mm
Back focal length fb 59.1mm
Radius of curvature r 62.28mm
Centration <1′
i
Biconvex Lens 50mm Diameter 251mm Focal Length Uncoated
SLB-50B-250P
50mm 251mm
6-12 weeks
€40.10
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ50mm
Focal length f 251mm
Edge thickness te 3mm
Center thickness tc 5.4mm
Back focal length fb 249.1mm
Radius of curvature r 259.5mm
Centration <1′
i
Biconvex Lens 80mm Diameter 700.9mm Focal Length Uncoated
SLB-80B-700P
80mm 700.9mm
6-12 weeks
€89.50
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ80mm
Focal length f 700.9mm
Edge thickness te 3mm
Center thickness tc 5.2mm
Back focal length fb 699.1mm
Radius of curvature r 726.6mm
Centration <1′
i
Biconvex Lens 10mm Diameter 90.4mm Focal Length Uncoated
SLB-10B-90P
10mm 90.4mm
3-5 days
€19.80
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) φD≧φ10mm ; 20-10
φD<φ10mm ; 40-20 
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ10mm
Focal length f 90.4mm
Edge thickness te 2mm
Center thickness tc 2.3mm
Back focal length fb 89.6mm
Radius of curvature r 93.42mm
Centration <1′
i
Biconvex Lens 20mm Diameter 150.4mm Focal Length Uncoated
SLB-20B-150P
20mm 150.4mm
3-5 days
€24.70
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) φD≧φ10mm ; 20-10
φD<φ10mm ; 40-20 
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ20mm
Focal length f 150.4mm
Edge thickness te 2mm
Center thickness tc 2.6mm
Back focal length fb 149.6mm
Radius of curvature r 155.7mm
Centration <1′
i
Biconvex Lens 30mm Diameter 100.7mm Focal Length Uncoated
SLB-30B-100P
30mm 100.7mm
3-5 days
€28.80
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ30mm
Focal length f 100.7mm
Edge thickness te 2mm
Center thickness tc 4.2mm
Back focal length fb 99.3mm
Radius of curvature r 103.8mm
Centration <1′
i
Biconvex Lens 50.8mm Diameter 62.3mm Focal Length Uncoated
SLB-50.8B-60P
50.8mm 62.3mm
6-12 weeks
€43.20
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ50.8mm
Focal length f 62.3mm
Edge thickness te 3mm
Center thickness tc 13.8mm
Back focal length fb 57.7mm
Radius of curvature r 62.28mm
Centration <1′
i
Biconvex Lens 100mm Diameter 202.5mm Focal Length Uncoated
SLB-100B-200P
100mm 202.5mm
3-5 days
€135.80
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ100mm
Focal length f 202.5mm
Edge thickness te 3mm
Center thickness tc 15.2mm
Back focal length fb 197.5mm
Radius of curvature r 207.6mm
Centration <1′
i
Biconvex Lens 5mm Diameter 10.3mm Focal Length Uncoated
SLB-05B-10P
5mm 10.3mm
3-5 days
€18.50
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) φD≧φ10mm ; 20-10
φD<φ10mm ; 40-20 
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ5mm
Focal length f 10.3mm
Edge thickness te 1.3mm
Center thickness tc 1.9mm
Back focal length fb 9.7mm
Radius of curvature r 10.38mm
Centration <3′
i
Biconvex Lens 5mm Diameter 20.2mm Focal Length Uncoated
SLB-05B-20P
5mm 20.2mm
3-5 days
€18.50
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) φD≧φ10mm ; 20-10
φD<φ10mm ; 40-20 
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ5mm
Focal length f 20.2mm
Edge thickness te 1.1mm
Center thickness tc 1.4mm
Back focal length fb 19.8mm
Radius of curvature r 20.76mm
Centration <3′
i
Biconvex Lens 12.7mm Diameter 20.7mm Focal Length Uncoated
SLB-12.7B-20P
12.7mm 20.7mm
3-5 days
€22.20
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) φD≧φ10mm ; 20-10
φD<φ10mm ; 40-20 
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ12.7mm
Focal length f 20.7mm
Edge thickness te 2mm
Center thickness tc 4mm
Back focal length fb 19.3mm
Radius of curvature r 20.76mm
Centration <1′
i
Biconvex Lens 25mm Diameter 36.1mm Focal Length Uncoated
SLB-25B-35P
25mm 36.1mm
3-5 days
€28.40
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ25mm
Focal length f 36.1mm
Edge thickness te 2mm
Center thickness tc 6.4mm
Back focal length fb 33.9mm
Radius of curvature r 36.33mm
Centration <1′
i
Biconvex Lens 30mm Diameter 170.5mm Focal Length Uncoated
SLB-30B-170P
30mm 170.5mm
3-5 days
€28.80
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ30mm
Focal length f 170.5mm
Edge thickness te 2mm
Center thickness tc 3.3mm
Back focal length fb 169.5mm
Radius of curvature r 176.46mm
Centration <1′
i
Biconvex Lens 50.8mm Diameter 91.6mm Focal Length Uncoated
SLB-50.8B-90P
50.8mm 91.6mm
3-5 days
€43.20
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ50.8mm
Focal length f 91.6mm
Edge thickness te 2.8mm
Center thickness tc 9.8mm
Back focal length fb 88.3mm
Radius of curvature r 93.42mm
Centration <1′
i
Biconvex Lens 100mm Diameter 401.5mm Focal Length Uncoated
SLB-100B-400P
100mm 401.5mm
3-5 days
€135.80
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ100mm
Focal length f 401.5mm
Edge thickness te 3mm
Center thickness tc 9mm
Back focal length fb 398.5mm
Radius of curvature r 415.2mm
Centration <1′
i
Biconvex Lens 6mm Diameter 8.4mm Focal Length Uncoated
SLB-06B-08P
6mm 8.4mm
3-5 days
€21.00
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) φD≧φ10mm ; 20-10
φD<φ10mm ; 40-20 
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ6mm
Focal length f 8.4mm
Edge thickness te 1mm
Center thickness tc 2.1mm
Back focal length fb 7.6mm
Radius of curvature r 8.3mm
Centration <3′
i
Biconvex Lens 12.7mm Diameter 40.5mm Focal Length Uncoated
SLB-12.7B-40P
12.7mm 40.5mm
3-5 days
€22.20
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) φD≧φ10mm ; 20-10
φD<φ10mm ; 40-20 
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ12.7mm
Focal length f 40.5mm
Edge thickness te 2mm
Center thickness tc 3mm
Back focal length fb 39.5mm
Radius of curvature r 41.52mm
Centration <1′
i
Biconvex Lens 25mm Diameter 60.8mm Focal Length Uncoated
SLB-25B-60P
25mm 60.8mm
3-5 days
€28.40
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ25mm
Focal length f 60.8mm
Edge thickness te 2mm
Center thickness tc 4.5mm
Back focal length fb 59.2mm
Radius of curvature r 62.28mm
Centration <1′
i
Biconvex Lens 40mm Diameter 42.1mm Focal Length Uncoated
SLB-40B-40P
40mm 42.1mm
3-5 days
€44.40
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ40mm
Focal length f 42.1mm
Edge thickness te 2mm
Center thickness tc 12.3mm
Back focal length fb 37.9mm
Radius of curvature r 41.52mm
Centration <1′
i
Biconvex Lens 50.8mm Diameter 151.2mm Focal Length Uncoated
SLB-50.8B-150P
50.8mm 151.2mm
6-12 weeks
€38.90
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ50.8mm
Focal length f 151.2mm
Edge thickness te 2.8mm
Center thickness tc 7mm
Back focal length fb 148.9mm
Radius of curvature r 155.7mm
Centration <1′
i
Biconvex Lens 100mm Diameter 1001mm Focal Length Uncoated
SLB-100B-1000P
100mm 1001mm
6-12 weeks
€135.80
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ100mm
Focal length f 1001mm
Edge thickness te 3mm
Center thickness tc 5.4mm
Back focal length fb 999.1mm
Radius of curvature r 1038mm
Centration <1′
i
Biconvex Lens 6mm Diameter 15.3mm Focal Length Uncoated
SLB-06B-15P
6mm 15.3mm
3-5 days
€18.50
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) φD≧φ10mm ; 20-10
φD<φ10mm ; 40-20 
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ6mm
Focal length f 15.3mm
Edge thickness te 1mm
Center thickness tc 1.6mm
Back focal length fb 14.7mm
Radius of curvature r 15.57mm
Centration <3′
i
Biconvex Lens 12.7mm Diameter 70.4mm Focal Length Uncoated
SLB-12.7B-70P
12.7mm 70.4mm
6-12 weeks
€22.20
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) φD≧φ10mm ; 20-10
φD<φ10mm ; 40-20 
Availability Please contact
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ12.7mm
Focal length f 70.4mm
Edge thickness te 2mm
Center thickness tc 2.6mm
Back focal length fb 69.6mm
Radius of curvature r 72.66mm
Centration <1′
i
Biconcave Lens 25mm Diameter 90.6mm Focal Length Uncoated
SLB-25B-90P
25mm 90.6mm
3-5 days
€28.40
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ25mm
Focal length f 90.6mm
Edge thickness te 2mm
Center thickness tc 3.7mm
Back focal length fb 89.4mm
Radius of curvature r 93.42mm
Centration <1′
i
Biconvex Lens 40mm Diameter 71.3mm Focal Length Uncoated
SLB-40B-70P
40mm 71.3mm
3-5 days
€35.20
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ40mm
Focal length f 71.3mm
Edge thickness te 2mm
Center thickness tc 7.6mm
Back focal length fb 68.7mm
Radius of curvature r 72.66mm
Centration <1′
i
Biconvex Lens 50.8mm Diameter 251mm Focal Length Uncoated
SLB-50.8B-250P
50.8mm 251mm
6-12 weeks
€38.90
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ50.8mm
Focal length f 251mm
Edge thickness te 2.9mm
Center thickness tc 5.4mm
Back focal length fb 249.1mm
Radius of curvature r 259.5mm
Centration <1′
i
Biconvex Lens 7mm Diameter 10.5mm Focal Length Uncoated
SLB-07B-10P
7mm 10.5mm
3-5 days
€21.00
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) φD≧φ10mm ; 20-10
φD<φ10mm ; 40-20 
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ7mm
Focal length f 10.5mm
Edge thickness te 1.9mm
Center thickness tc 3.1mm
Back focal length fb 9.5mm
Radius of curvature r 10.38mm
Centration <3′
i
Biconvex Lens 15mm Diameter 25.7mm Focal Length Uncoated
SLB-15B-25P
15mm 25.7mm
3-5 days
€24.70
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) φD≧φ10mm ; 20-10
φD<φ10mm ; 40-20 
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ15mm
Focal length f 25.7mm
Edge thickness te 2mm
Center thickness tc 4.2mm
Back focal length fb 24.3mm
Radius of curvature r 25.95mm
Centration <1′
i
Biconvex Lens 25mm Diameter 170.5mm Focal Length Uncoated
SLB-25B-170P
25mm 170.5mm
3-5 days
€27.80
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ25mm
Focal length f 170.5mm
Edge thickness te 2mm
Center thickness tc 2.9mm
Back focal length fb 169.5mm
Radius of curvature r 176.46mm
Centration <1′
i
Biconvex Lens 40mm Diameter 101mm Focal Length Uncoated
SLB-40B-100P
40mm 101mm
3-5 days
€35.20
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ40mm
Focal length f 101mm
Edge thickness te 2mm
Center thickness tc 5.9mm
Back focal length fb 99mm
Radius of curvature r 103.8mm
Centration <1′
i
Biconvex Lens 60mm Diameter 72.7mm Focal Length Uncoated
SLB-60B-70P
60mm 72.7mm
3-5 days
€63.60
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ60mm
Focal length f 72.7mm
Edge thickness te 3mm
Center thickness tc 16mm
Back focal length fb 67.3mm
Radius of curvature r 72.66mm
Centration <1′
i
Biconvex Lens 7mm Diameter 20.4mm Focal Length Uncoated
SLB-07B-20P
7mm 20.4mm
3-5 days
€21.00
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) φD≧φ10mm ; 20-10
φD<φ10mm ; 40-20 
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ7mm
Focal length f 20.4mm
Edge thickness te 1.7mm
Center thickness tc 2.3mm
Back focal length fb 19.6mm
Radius of curvature r 20.76mm
Centration <3′
i
Biconvex Lens 15mm Diameter 50.5mm Focal Length Uncoated
SLB-15B-50P
15mm 50.5mm
3-5 days
€23.50
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) φD≧φ10mm ; 20-10
φD<φ10mm ; 40-20 
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ15mm
Focal length f 50.5mm
Edge thickness te 2mm
Center thickness tc 3.1mm
Back focal length fb 49.5mm
Radius of curvature r 51.9mm
Centration <1′
i
Biconvex Lens 25.4mm Diameter 31.2mm Focal Length Uncoated
SLB-25.4B-30P
25.4mm 31.2mm
3-5 days
€30.30
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ25.4mm
Focal length f 31.2mm
Edge thickness te 1.8mm
Center thickness tc 7.2mm
Back focal length fb 28.7mm
Radius of curvature r 31.14mm
Centration <1′
i
Biconvex Lens 40mm Diameter 170.7mm Focal Length Uncoated
SLB-40B-170P
40mm 170.7mm
3-5 days
€35.20
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ40mm
Focal length f 170.7mm
Edge thickness te 2mm
Center thickness tc 4.3mm
Back focal length fb 169.3mm
Radius of curvature r 176.46mm
Centration <1′
i
Biconvex Lens 60mm Diameter 102mm Focal Length Uncoated
SLB-60B-100P
60mm 102mm
3-5 days
€63.60
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ60mm
Focal length f 102mm
Edge thickness te 3mm
Center thickness tc 11.9mm
Back focal length fb 98mm
Radius of curvature r 103.8mm
Centration <1′
i
Biconvex Lens 8mm Diameter 12.5mm Focal Length Uncoated
SLB-08B-12P
8mm 12.5mm
3-5 days
€19.80
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) φD≧φ10mm ; 20-10
φD<φ10mm ; 40-20 
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ8mm
Focal length f 12.5mm
Edge thickness te 1.5mm
Center thickness tc 2.8mm
Back focal length fb 11.5mm
Radius of curvature r 12.46mm
Centration <3′
i
Biconvex Lens 15mm Diameter 80.4mm Focal Length Uncoated
SLB-15B-80P
15mm 80.4mm
3-5 days
€23.50
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) φD≧φ10mm ; 20-10
φD<φ10mm ; 40-20 
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ15mm
Focal length f 80.4mm
Edge thickness te 2mm
Center thickness tc 2.7mm
Back focal length fb 79.6mm
Radius of curvature r 83.04mm
Centration <1′
i
Biconvex Lens 25.4mm Diameter 50.8mm Focal Length Uncoated
SLB-25.4B-50P
25.4mm 50.8mm
3-5 days
€28.40
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ25.4mm
Focal length f 50.8mm
Edge thickness te 1.9mm
Center thickness tc 5.1mm
Back focal length fb 49.2mm
Radius of curvature r 51.9mm
Centration <1′
i
Biconvex Lens 50mm Diameter 52.7mm Focal Length Uncoated
SLB-50B-50P
50mm 52.7mm
3-5 days
€43.20
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ50mm
Focal length f 52.7mm
Edge thickness te 3mm
Center thickness tc 15.8mm
Back focal length fb 47.3mm
Radius of curvature r 51.9mm
Centration <1′
i
Biconvex Lens 60mm Diameter 171.4mm Focal Length Uncoated
SLB-60B-170P
60mm 171.4mm
3-5 days
€59.90
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ60mm
Focal length f 171.4mm
Edge thickness te 3mm
Center thickness tc 8.1mm
Back focal length fb 168.7mm
Radius of curvature r 176.46mm
Centration <1′
i
Biconvex Lens 8mm Diameter 25.4mm Focal Length Uncoated
SLB-08B-25P
8mm 25.4mm
3-5 days
€19.80
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) φD≧φ10mm ; 20-10
φD<φ10mm ; 40-20 
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ8mm
Focal length f 25.4mm
Edge thickness te 1.5mm
Center thickness tc 2.1mm
Back focal length fb 24.6mm
Radius of curvature r 25.95mm
Centration <3′
i
Biconvex Lens 20mm Diameter 21.2mm Focal Length Uncoated
SLB-20B-20P
20mm 21.2mm
3-5 days
€25.90
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) φD≧φ10mm ; 20-10
φD<φ10mm ; 40-20 
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ20mm
Focal length f 21.2mm
Edge thickness te 2mm
Center thickness tc 7.1mm
Back focal length fb 18.8mm
Radius of curvature r 20.76mm
Centration <1′
i
Biconvex Lens 25.4mm Diameter 80.6mm Focal Length Uncoated
SLB-25.4B-80P
25.4mm 80.6mm
6-12 weeks
€28.40
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ25.4mm
Focal length f 80.6mm
Edge thickness te 1.9mm
Center thickness tc 3.9mm
Back focal length fb 79.3mm
Radius of curvature r 83.04mm
Centration <1′
i
Biconvex Lens 50mm Diameter 81.8mm Focal Length Uncoated
SLB-50B-80P
50mm 81.8mm
3-5 days
€42.00
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ50mm
Focal length f 81.8mm
Edge thickness te 3mm
Center thickness tc 10.7mm
Back focal length fb 78.2mm
Radius of curvature r 83.04mm
Centration <1′
i
Biconvex Lens 60mm Diameter 301mm Focal Length Uncoated
SLB-60B-300P
60mm 301mm
3-5 days
€59.90
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ60mm
Focal length f 301mm
Edge thickness te 3mm
Center thickness tc 5.9mm
Back focal length fb 299mm
Radius of curvature r 311.4mm
Centration <1′
i
Biconvex Lens 10mm Diameter 20.5mm Focal Length Uncoated
SLB-10B-20P
10mm 20.5mm
6-12 weeks
€19.80
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) φD≧φ10mm ; 20-10
φD<φ10mm ; 40-20 
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ10mm
Focal length f 20.5mm
Edge thickness te 2mm
Center thickness tc 3.2mm
Back focal length fb 19.5mm
Radius of curvature r 20.76mm
Centration <1′
i
Biconvex Lens 20mm Diameter 40.7mm Focal Length Uncoated
SLB-20B-40P
20mm 40.7mm
3-5 days
€24.70
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) φD≧φ10mm ; 20-10
φD<φ10mm ; 40-20 
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ20mm
Focal length f 40.7mm
Edge thickness te 2mm
Center thickness tc 4.4mm
Back focal length fb 39.3mm
Radius of curvature r 41.52mm
Centration <1′
i
Biconvex Lens 25.4mm Diameter 200.5mm Focal Length Uncoated
SLB-25.4B-200P
25.4mm 200.5mm
3-5 days
€27.80
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ25.4mm
Focal length f 200.5mm
Edge thickness te 2mm
Center thickness tc 2.8mm
Back focal length fb 199.6mm
Radius of curvature r 207.6mm
Centration <1′
i
Biconvex Lens 50mm Diameter 121.3mm Focal Length Uncoated
SLB-50B-120P
50mm 121.3mm
3-5 days
€40.10
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ50mm
Focal length f 121.3mm
Edge thickness te 3mm
Center thickness tc 8mm
Back focal length fb 118.7mm
Radius of curvature r 124.56mm
Centration <1′
i
Biconvex Lens 80mm Diameter 201.8mm Focal Length Uncoated
SLB-80B-200P
80mm 201.8mm
3-5 days
€89.50
Material BK7
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.519
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Wavelength range of Antireflection Coating Uncoated
Diameter φD φ80mm
Focal length f 201.8mm
Edge thickness te 3mm
Center thickness tc 10.8mm
Back focal length fb 198.2mm
Radius of curvature r 207.6mm
Centration <1′

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Symmetrical biconvex lenses are most useful when dealing with fnite conjugate points. This
makes them ideal for 1:1 imaging applications or for use in multi-element systems.

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