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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Diameter φD
Focal length
Delivery Price Add to cart
25.4mm 150.5mm
in stock
$31.00
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 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′
50mm 101.5mm
in stock
$59.00
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 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′
80mm 152.2mm
2 weeks
$185.00
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 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′
10mm 15.6mm
in stock
$28.37
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′
20mm 31mm
in stock
$38.00
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 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′
30mm 36.5mm
in stock
$48.00
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 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′
50mm 171.1mm
2 weeks
$51.00
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 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′
80mm 301.3mm
2 weeks
$165.00
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 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′
10mm 30.5mm
in stock
$26.27
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′
20mm 60.6mm
in stock
$35.00
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 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′
30mm 60.9mm
in stock
$40.00
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 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′
50mm 251mm
in stock
$49.00
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 251mm
Edge thickness te 3mm
Center thickness tc 5.4mm
Back focal length fb 249.1mm
Radius of curvature r 259.5mm
Centration <1′
80mm 700.9mm
6-12 weeks
$160.00
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 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′
10mm 60.4mm
in stock
$25.21
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′
20mm 90.5mm
2 weeks
$33.00
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 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′
30mm 100.7mm
2 weeks
$32.00
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 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′
50.8mm 62.3mm
in stock
$68.00
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 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′
100mm 202.5mm
in stock
$230.00
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 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′
5mm 10.3mm
in stock
$40.00
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 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′
10mm 90.4mm
2 weeks
$25.21
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′
20mm 150.4mm
in stock
$31.00
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 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′
25mm 36.1mm
in stock
$45.00
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 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′
30mm 170.5mm
2 weeks
$32.00
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 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′
50.8mm 91.6mm
in stock
$60.00
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 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′
100mm 401.5mm
6-12 weeks
$200.00
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 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′
5mm 20.2mm
in stock
$36.00
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 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′
12.7mm 20.7mm
2 weeks
$27.32
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′
25mm 60.8mm
in stock
$40.00
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 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′
40mm 42.1mm
2 weeks
$67.00
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 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′
50.8mm 151.2mm
in stock
$53.00
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 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′
100mm 1001mm
in stock
$200.00
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 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′
6mm 8.4mm
in stock
$36.00
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′
12.7mm 40.5mm
in stock
$25.21
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′
25mm 90.6mm
2 weeks
$35.00
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 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′
40mm 71.3mm
2 weeks
$56.00
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 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′
50.8mm 251mm
in stock
$49.00
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 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′
6mm 15.3mm
2 weeks
$36.00
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 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′
12.7mm 70.4mm
in stock
$25.21
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′
25mm 170.5mm
2 weeks
$31.00
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 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′
40mm 101mm
2 weeks
$54.00
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 101mm
Edge thickness te 2mm
Center thickness tc 5.9mm
Back focal length fb 99mm
Radius of curvature r 103.8mm
Centration <1′
60mm 72.7mm
2 weeks
$80.00
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 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′
7mm 10.5mm
2 weeks
$32.00
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′
15mm 25.7mm
in stock
$34.00
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 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′
25.4mm 31.2mm
in stock
$47.00
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 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′
40mm 170.7mm
2 weeks
$49.00
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 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′
60mm 102mm
2 weeks
$78.00
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 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′
7mm 20.4mm
2 weeks
$32.00
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′
15mm 50.5mm
in stock
$32.00
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 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′
25.4mm 50.8mm
in stock
$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 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′
50mm 52.7mm
2 weeks
$72.00
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 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′
60mm 171.4mm
2 weeks
$75.00
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 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′
8mm 12.5mm
in stock
$32.00
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 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′
15mm 80.4mm
2 weeks
$26.27
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′
25.4mm 80.6mm
in stock
$37.00
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 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′
50mm 81.8mm
in stock
$60.00
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′
60mm 301mm
2 weeks
$70.00
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 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′
8mm 25.4mm
in stock
$32.00
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 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′
20mm 21.2mm
in stock
$44.00
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 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′
25.4mm 200.5mm
in stock
$31.00
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 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′
50mm 121.3mm
2 weeks
$57.00
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 121.3mm
Edge thickness te 3mm
Center thickness tc 8mm
Back focal length fb 118.7mm
Radius of curvature r 124.56mm
Centration <1′
80mm 201.8mm
2 weeks
$180.00
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 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′
10mm 20.5mm
in stock
$27.32
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′
20mm 40.7mm
in stock
$35.00
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 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′
30mm 41.3mm
in stock
$46.00
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 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′
50mm 201mm
2 weeks
$50.00
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 201mm
Edge thickness te 3mm
Center thickness tc 6mm
Back focal length fb 199mm
Radius of curvature r 207.6mm
Centration <1′
80mm 401.1mm
2 weeks
$160.00
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 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′
10mm 40.4mm
in stock
$26.27
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′
20mm 70.6mm
2 weeks
$34.00
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 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′
30mm 70.9mm
2 weeks
$37.00
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 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′
50mm 300.8mm
in stock
$49.00
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 300.8mm
Edge thickness te 3mm
Center thickness tc 5mm
Back focal length fb 299.2mm
Radius of curvature r 311.4mm
Centration <1′
80mm 1000.7mm
6-12 weeks
$160.00
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 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′
5mm 6.4mm
in stock
$40.00
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′
10mm 70.4mm
2 weeks
$25.21
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′
20mm 100.5mm
in stock
$32.00
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 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′
30mm 120.6mm
in stock
$32.00
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 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′
50.8mm 72mm
in stock
$63.00
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 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′
100mm 252.1mm
2 weeks
$220.00
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 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′
5mm 12.3mm
in stock
$40.00
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 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′
10mm 100.4mm
2 weeks
$25.21
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′
25mm 26.5mm
in stock
$47.00
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 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′
25mm 41mm
in stock
$43.00
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 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′
30mm 200.5mm
2 weeks
$32.00
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 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′
50.8mm 101.5mm
in stock
$59.00
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 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′
100mm 501.3mm
in stock
$200.00
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 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′
5mm 25.2mm
in stock
$36.00
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 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′
12.7mm 25.6mm
in stock
$27.32
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′
25mm 70.7mm
in stock
$39.00
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 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′
40mm 51.7mm
2 weeks
$60.00
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′
50.8mm 171.1mm
in stock
$51.00
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 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′
6mm 10.3mm
in stock
$36.00
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 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′
12.7mm 50.5mm
in stock
$25.21
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′
25mm 100.6mm
in stock
$34.00
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 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′
40mm 81.2mm
2 weeks
$55.00
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 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′
50.8mm 300.8mm
in stock
$49.00
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 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′
6mm 20.2mm
2 weeks
$32.00
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 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′
15mm 16mm
6-12 weeks
$38.00
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 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′
25mm 200.5mm
2 weeks
$31.00
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 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′
40mm 120.9mm
in stock
$52.00
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 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′
60mm 82.4mm
2 weeks
$80.00
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 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′
7mm 12.5mm
6-12 weeks
$32.00
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′
15mm 30.6mm
in stock
$33.00
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 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′
25.4mm 36.1mm
2 weeks
$45.00
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 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′
40mm 200.6mm
2 weeks
$45.00
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 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′
60mm 121.7mm
6-12 weeks
$78.00
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 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′
8mm 8.6mm
2 weeks
$32.00
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′
15mm 60.5mm
in stock
$31.00
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 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′
25.4mm 60.8mm
in stock
$40.00
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 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′
50mm 62.3mm
2 weeks
$68.00
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 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′
60mm 201.2mm
in stock
$73.00
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 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′
8mm 15.4mm
in stock
$32.00
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 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′
15mm 90.4mm
2 weeks
$26.27
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′
25.4mm 100.6mm
2 weeks
$34.00
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 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′
50mm 91.6mm
2 weeks
$60.00
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′
80mm 103.2mm
in stock
$200.00
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 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′
10mm 10.8mm
in stock
$29.94
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′
20mm 26mm
in stock
$40.00
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 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′
30mm 31.7mm
in stock
$52.00
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 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′
50mm 151.2mm
in stock
$53.00
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 151.2mm
Edge thickness te 3mm
Center thickness tc 7mm
Back focal length fb 148.8mm
Radius of curvature r 155.7mm
Centration <1′
80mm 251.5mm
2 weeks
$170.00
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 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′
10mm 25.5mm
in stock
$27.32
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′
20mm 50.7mm
in stock
$35.00
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 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′
30mm 51.1mm
in stock
$44.00
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 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′
50mm 220.9mm
6-12 weeks
$50.00
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 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′
80mm 501mm
6-12 weeks
$160.00
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 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′
10mm 50.4mm
in stock
$25.21
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′
20mm 80.5mm
in stock
$33.00
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 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′
30mm 80.8mm
6-12 weeks
$35.00
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 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′
50.8mm 52.7mm
in stock
$72.00
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 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′
100mm 153.3mm
2 weeks
$240.00
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 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′
5mm 8.4mm
in stock
$40.00
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′
10mm 80.4mm
6-12 weeks
$25.21
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′
20mm 120.5mm
2 weeks
$32.00
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 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′
25mm 31.2mm
in stock
$47.00
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 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′
30mm 150.6mm
2 weeks
$32.00
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 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′
50.8mm 81.8mm
2 weeks
$60.00
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 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′
100mm 301.8mm
2 weeks
$210.00
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 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′
5mm 15.3mm
in stock
$40.00
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 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′
12.7mm 13.0mm
in stock
$29.94
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′
25mm 50.8mm
in stock
$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 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′
30mm 250.5mm
2 weeks
$32.00
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 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′
50.8mm 121.3mm
6-12 weeks
$57.00
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 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′
100mm 701.1mm
in stock
$200.00
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 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′
6mm 6.4mm
in stock
$36.00
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′
12.7mm 30.6mm
in stock
$26.27
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′
25mm 80.6mm
in stock
$37.00
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 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′
40mm 61.4mm
2 weeks
$59.00
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 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′
50.8mm 201mm
in stock
$50.00
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 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′
6mm 12.3mm
in stock
$36.00
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 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′
12.7mm 60.4mm
in stock
$25.21
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
25mm 150.5mm
2 weeks
$31.00
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 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′
40mm 91.1mm
2 weeks
$54.00
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 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′
60mm 63.2mm
2 weeks
$90.00
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 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′
7mm 8.6mm
2 weeks
$32.00
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′
15mm 20.8mm
in stock
$35.00
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 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′
25.4mm 26.5mm
in stock
$47.00
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 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′
40mm 150.8mm
in stock
$51.00
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 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′
60mm 92.2mm
2 weeks
$80.00
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 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′
7mm 15.4mm
6-12 weeks
$32.00
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′
15mm 40.6mm
in stock
$33.00
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 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′
25.4mm 41mm
in stock
$43.00
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 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′
40mm 250.6mm
2 weeks
$45.00
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 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′
60mm 151.5mm
2 weeks
$76.00
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 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′
8mm 10.5mm
in stock
$32.00
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′
15mm 70.5mm
2 weeks
$28.37
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′
25.4mm 70.7mm
in stock
$39.00
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 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′
50mm 72mm
in stock
$63.00
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′
60mm 251.1mm
2 weeks
$70.00
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 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′
8mm 20.4mm
in stock
$32.00
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 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′
15mm 100.4mm
2 weeks
$26.27
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′

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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.