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Fused Silica, BiConcave Lenses (Uncoated)

SLSQ-B-N

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Fused Silica, BiConcave Lenses (Uncoated)
Out of stock
SKU
SLSQ-B-N
Synthetic fused silica Lens for wavelengths less than 350nm ultraviolet light.
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Name Diameter φD Focal length Delivery Price Add to cart
i
Biconcave Lens Synthetic Fused Silica 50mm Diameter −69.5mm Focal Length
SLSQ-50B-70N 		50mm −69.5mm
6-12 weeks
$308.00
Material Synthetic fused silica
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.46
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Diameter φD φ50mm
Focal length f −69.5mm
Edge thickness te 13.1mm
Center thickness tc 3mm
Back focal length fb −70.5mm
Radius of curvature r 64.4mm
Centration ＜1′
i
Biconcave Lens Synthetic Fused Silica 25mm Diameter −79.7mm Focal Length
SLSQ-25B-80N 		25mm −79.7mm
in stock
$146.00
Material Synthetic fused silica
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.46
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Diameter φD φ25mm
Focal length f −79.7mm
Edge thickness te 4.1mm
Center thickness tc 2mm
Back focal length fb −80.3mm
Radius of curvature r 73.6mm
Centration ＜1′
i
Biconcave Lens Synthetic Fused Silica 50mm Diameter −99.5mm Focal Length
SLSQ-50B-100N 		50mm −99.5mm
2 weeks
$297.00
Material Synthetic fused silica
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.46
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Diameter φD φ50mm
Focal length f −99.5mm
Edge thickness te 9.9mm
Center thickness tc 3mm
Back focal length fb −100.5mm
Radius of curvature r 92mm
Centration ＜1′
i
Biconcave Lens Synthetic Fused Silica 25.4mm Diameter −24.7mm Focal Length
SLSQ-25.4B-25N 		25.4mm −24.7mm
in stock
$200.00
Material Synthetic fused silica
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.46
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Diameter φD φ25.4mm
Focal length f −24.7mm
Edge thickness te 9.6mm
Center thickness tc 2mm
Back focal length fb −25.4mm
Radius of curvature r 23mm
Centration ＜1′
i
Biconcave Lens Synthetic Fused Silica 50.8mm Diameter −69.5mm Focal Length
SLSQ-50.8B-70N 		50.8mm −69.5mm
in stock
$308.00
Material Synthetic fused silica
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.46
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Diameter φD φ50.8mm
Focal length f −69.5mm
Edge thickness te 13.4mm
Center thickness tc 3mm
Back focal length fb −70.5mm
Radius of curvature r 64.4mm
Centration ＜1′
i
Biconcave Lens Synthetic Fused Silica 25.4mm Diameter −49.7mm Focal Length
SLSQ-25.4B-50N 		25.4mm −49.7mm
in stock
$151.00
Material Synthetic fused silica
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.46
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Diameter φD φ25.4mm
Focal length f −49.7mm
Edge thickness te 5.6mm
Center thickness tc 2mm
Back focal length fb −50.4mm
Radius of curvature r 46mm
Centration ＜1′
i
Biconcave Lens Synthetic Fused Silica 50.8mm Diameter −99.5mm Focal Length
SLSQ-50.8B-100N 		50.8mm −99.5mm
2 weeks
$297.00
Material Synthetic fused silica
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.46
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Diameter φD φ50.8mm
Focal length f −99.5mm
Edge thickness te 10.2mm
Center thickness tc 3mm
Back focal length fb −100.5mm
Radius of curvature r 92mm
Centration ＜1′
i
Biconcave Lens Synthetic Fused Silica 10mm Diameter −19.7mm Focal Length
SLSQ-10B-20N 		10mm −19.7mm
in stock
$148.00
Material Synthetic fused silica
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.46
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Diameter φD φ10mm
Focal length f −19.7mm
Edge thickness te 3.4mm
Center thickness tc 2mm
Back focal length fb −20.3mm
Radius of curvature r 18.4mm
Centration ＜1′
i
Biconcave Lens Synthetic Fused Silica 25.4mm Diameter −79.7mm Focal Length
SLSQ-25.4B-80N 		25.4mm −79.7mm
in stock
$146.00
Material Synthetic fused silica
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.46
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Diameter φD φ25.4mm
Focal length f −79.7mm
Edge thickness te 4.2mm
Center thickness tc 2mm
Back focal length fb −80.4mm
Radius of curvature r 73.6mm
Centration ＜1′
i
Biconcave Lens Synthetic Fused Silica 50.8mm Diameter −249.5mm Focal Length
SLSQ-50.8B-250N 		50.8mm −249.5mm
in stock
$297.00
Material Synthetic fused silica
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.46
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Diameter φD φ50.8mm
Focal length f −249.5mm
Edge thickness te 5.8mm
Center thickness tc 3mm
Back focal length fb −250.5mm
Radius of curvature r 230mm
Centration ＜1′
i
Biconcave Lens Synthetic Fused Silica 10mm Diameter −39.7mm Focal Length
SLSQ-10B-40N 		10mm −39.7mm
6-12 weeks
$120.00
Material Synthetic fused silica
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.46
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Diameter φD φ10mm
Focal length f −39.7mm
Edge thickness te 2.7mm
Center thickness tc 2mm
Back focal length fb −40.3mm
Radius of curvature r 36.8mm
Centration ＜1′
i
Biconcave Lens Synthetic Fused Silica 25.4mm Diameter −149.7mm Focal Length
SLSQ-25.4B-150N 		25.4mm −149.7mm
in stock
$140.00
Material Synthetic fused silica
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.46
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Diameter φD φ25.4mm
Focal length f −149.7mm
Edge thickness te 3.2mm
Center thickness tc 2mm
Back focal length fb −150.4mm
Radius of curvature r 138mm
Centration ＜1′
i
Biconcave Lens Synthetic Fused Silica 15mm Diameter −19.7mm Focal Length
SLSQ-15B-20N 		15mm −19.7mm
6-12 weeks
$160.00
Material Synthetic fused silica
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.46
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Diameter φD φ15mm
Focal length f −19.7mm
Edge thickness te 5.2mm
Center thickness tc 2mm
Back focal length fb −20.3mm
Radius of curvature r 18.4mm
Centration ＜1′
i
Biconcave Lens Synthetic Fused Silica 30mm Diameter −34.7mm Focal Length
SLSQ-30B-35N 		30mm −34.7mm
6-12 weeks
$218.00
Material Synthetic fused silica
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.46
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Diameter φD φ30mm
Focal length f −34.7mm
Edge thickness te 9.4mm
Center thickness tc 2mm
Back focal length fb −35.3mm
Radius of curvature r 32.2mm
Centration ＜1′
i
Biconcave Lens Synthetic Fused Silica 15mm Diameter −39.7mm Focal Length
SLSQ-15B-40N 		15mm −39.7mm
6-12 weeks
$131.00
Material Synthetic fused silica
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.46
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Diameter φD φ15mm
Focal length f −39.7mm
Edge thickness te 3.5mm
Center thickness tc 2mm
Back focal length fb −40.3mm
Radius of curvature r 36.8mm
Centration ＜1′
i
Biconcave Lens Synthetic Fused Silica 30mm Diameter −59.7mm Focal Length
SLSQ-30B-60N 		30mm −59.7mm
6-12 weeks
$168.00
Material Synthetic fused silica
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.46
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Diameter φD φ30mm
Focal length f −59.7mm
Edge thickness te 6.2mm
Center thickness tc 2mm
Back focal length fb −60.3mm
Radius of curvature r 55.2mm
Centration ＜1′
i
Biconcave Lens Synthetic Fused Silica 20mm Diameter −24.7mm Focal Length
SLSQ-20B-25N 		20mm −24.7mm
6-12 weeks
$180.00
Material Synthetic fused silica
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.46
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Diameter φD φ20mm
Focal length f −24.7mm
Edge thickness te 6.6mm
Center thickness tc 2mm
Back focal length fb −25.3mm
Radius of curvature r 23mm
Centration ＜1′
i
Biconcave Lens Synthetic Fused Silica 30mm Diameter −89.7mm Focal Length
SLSQ-30B-90N 		30mm −89.7mm
in stock
$154.00
Material Synthetic fused silica
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.46
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Diameter φD φ30mm
Focal length f −89.7mm
Edge thickness te 4.7mm
Center thickness tc 2mm
Back focal length fb −90.3mm
Radius of curvature r 82.8mm
Centration ＜1′
i
Biconcave Lens Synthetic Fused Silica 40mm Diameter −49.7mm Focal Length
SLSQ-40B-50N 		40mm −49.7mm
6-12 weeks
$226.00
Material Synthetic fused silica
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.46
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Diameter φD φ40mm
Focal length f −49.7mm
Edge thickness te 11.2mm
Center thickness tc 2mm
Back focal length fb −50.3mm
Radius of curvature r 46mm
Centration ＜1′
i
Biconcave Lens Synthetic Fused Silica 20mm Diameter −49.7mm Focal Length
SLSQ-20B-50N 		20mm −49.7mm
6-12 weeks
$150.00
Material Synthetic fused silica
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.46
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Diameter φD φ20mm
Focal length f −49.7mm
Edge thickness te 4.2mm
Center thickness tc 2mm
Back focal length fb −50.3mm
Radius of curvature r 46mm
Centration ＜1′
i
Biconcave Lens Synthetic Fused Silica 40mm Diameter −79.7mm Focal Length
SLSQ-40B-80N 		40mm −79.7mm
6-12 weeks
$201.00
Material Synthetic fused silica
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.46
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Diameter φD φ40mm
Focal length f −79.7mm
Edge thickness te 7.5mm
Center thickness tc 2mm
Back focal length fb −80.3mm
Radius of curvature r 73.6mm
Centration ＜1′
i
Biconcave Lens Synthetic Fused Silica 25mm Diameter −34.7mm Focal Length
SLSQ-25B-35N 		25mm −34.7mm
2 weeks
$174.00
Material Synthetic fused silica
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.46
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Diameter φD φ25mm
Focal length f −34.7mm
Edge thickness te 7.1mm
Center thickness tc 2mm
Back focal length fb −35.3mm
Radius of curvature r 32.2mm
Centration ＜1′
i
Biconcave Lens Synthetic Fused Silica 50mm Diameter −49.5mm Focal Length
SLSQ-50B-50N 		50mm −49.5mm
6-12 weeks
$378.00
Material Synthetic fused silica
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.46
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Diameter φD φ50mm
Focal length f −49.5mm
Edge thickness te 17.8mm
Center thickness tc 3mm
Back focal length fb −50.5mm
Radius of curvature r 46mm
Centration ＜1′
i
Biconcave Lens Synthetic Fused Silica 25mm Diameter −59.7mm Focal Length
SLSQ-25B-60N 		25mm −59.7mm
6-12 weeks
$151.00
Material Synthetic fused silica
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.46
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Diameter φD φ25mm
Focal length f −59.7mm
Edge thickness te 4.9mm
Center thickness tc 2mm
Back focal length fb −60.3mm
Radius of curvature r 55.2mm
Centration ＜1′
i
Biconcave Lens Synthetic Fused Silica 50mm Diameter −79.5mm Focal Length
SLSQ-50B-80N 		50mm −79.5mm
6-12 weeks
$302.00
Material Synthetic fused silica
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.46
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Diameter φD φ50mm
Focal length f −79.5mm
Edge thickness te 11.8mm
Center thickness tc 3mm
Back focal length fb −80.5mm
Radius of curvature r 73.6mm
Centration ＜1′
i
Biconcave Lens Synthetic Fused Silica 25mm Diameter −89.7mm Focal Length
SLSQ-25B-90N 		25mm −89.7mm
2 weeks
$143.00
Material Synthetic fused silica
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.46
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Diameter φD φ25mm
Focal length f −89.7mm
Edge thickness te 3.9mm
Center thickness tc 2mm
Back focal length fb −90.3mm
Radius of curvature r 82.8mm
Centration ＜1′
i
Biconcave Lens Synthetic Fused Silica 50.8mm Diameter −49.5mm Focal Length
SLSQ-50.8B-50N 		50.8mm −49.5mm
in stock
$378.00
Material Synthetic fused silica
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.46
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Diameter φD φ50.8mm
Focal length f −49.5mm
Edge thickness te 18.3mm
Center thickness tc 3mm
Back focal length fb −50.5mm
Radius of curvature r 46mm
Centration ＜1′
i
Biconcave Lens Synthetic Fused Silica 25.4mm Diameter −29.7mm Focal Length
SLSQ-25.4B-30N 		25.4mm −29.7mm
in stock
$196.00
Material Synthetic fused silica
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.46
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Diameter φD φ25.4mm
Focal length f −29.7mm
Edge thickness te 8.2mm
Center thickness tc 2mm
Back focal length fb −30.4mm
Radius of curvature r 27.6mm
Centration ＜1′
i
Biconcave Lens Synthetic Fused Silica 50.8mm Diameter −79.5mm Focal Length
SLSQ-50.8B-80N 		50.8mm −79.5mm
in stock
$302.00
Material Synthetic fused silica
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.46
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Diameter φD φ50.8mm
Focal length f −79.5mm
Edge thickness te 12mm
Center thickness tc 3mm
Back focal length fb −80.5mm
Radius of curvature r 73.6mm
Centration ＜1′
i
Biconcave Lens Synthetic Fused Silica 10mm Diameter −9.7mm Focal Length
SLSQ-10B-10N 		10mm −9.7mm
in stock
$170.00
Material Synthetic fused silica
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.46
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Diameter φD φ10mm
Focal length f −9.7mm
Edge thickness te 5mm
Center thickness tc 2mm
Back focal length fb −10.3mm
Radius of curvature r 9.2mm
Centration ＜1′
i
Biconcave Lens Synthetic Fused Silica 25.4mm Diameter −59.7mm Focal Length
SLSQ-25.4B-60N 		25.4mm −59.7mm
6-12 weeks
$151.00
Material Synthetic fused silica
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.46
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Diameter φD φ25.4mm
Focal length f −59.7mm
Edge thickness te 5mm
Center thickness tc 2mm
Back focal length fb −60.4mm
Radius of curvature r 55.2mm
Centration ＜1′
i
Biconcave Lens Synthetic Fused Silica 50.8mm Diameter −149.5mm Focal Length
SLSQ-50.8B-150N 		50.8mm −149.5mm
in stock
$297.00
Material Synthetic fused silica
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.46
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Diameter φD φ50.8mm
Focal length f −149.5mm
Edge thickness te 7.7mm
Center thickness tc 3mm
Back focal length fb −150.5mm
Radius of curvature r 138mm
Centration ＜1′
i
Biconcave Lens Synthetic Fused Silica 10mm Diameter −24.7mm Focal Length
SLSQ-10B-25N 		10mm −24.7mm
2 weeks
$137.00
Material Synthetic fused silica
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.46
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Diameter φD φ10mm
Focal length f −24.7mm
Edge thickness te 3.1mm
Center thickness tc 2mm
Back focal length fb −25.3mm
Radius of curvature r 23mm
Centration ＜1′
i
Biconcave Lens Synthetic Fused Silica 25.4mm Diameter −89.7mm Focal Length
SLSQ-25.4B-90N 		25.4mm −89.7mm
in stock
$143.00
Material Synthetic fused silica
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.46
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Diameter φD φ25.4mm
Focal length f −89.7mm
Edge thickness te 4mm
Center thickness tc 2mm
Back focal length fb −90.4mm
Radius of curvature r 82.8mm
Centration ＜1′
i
Biconcave Lens Synthetic Fused Silica 50.8mm Diameter −299.5mm Focal Length
SLSQ-50.8B-300N 		50.8mm −299.5mm
in stock
$297.00
Material Synthetic fused silica
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.46
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Diameter φD φ50.8mm
Focal length f −299.5mm
Edge thickness te 5.3mm
Center thickness tc 3mm
Back focal length fb −300.5mm
Radius of curvature r 276mm
Centration ＜1′
i
Biconcave Lens Synthetic Fused Silica 10mm Diameter −49.7mm Focal Length
SLSQ-10B-50N 		10mm −49.7mm
6-12 weeks
$103.00
Material Synthetic fused silica
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.46
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Diameter φD φ10mm
Focal length f −49.7mm
Edge thickness te 2.5mm
Center thickness tc 2mm
Back focal length fb −50.3mm
Radius of curvature r 46mm
Centration ＜1′
i
Biconcave Lens Synthetic Fused Silica 25.4mm Diameter −199.7mm Focal Length
SLSQ-25.4B-200N 		25.4mm −199.7mm
in stock
$140.00
Material Synthetic fused silica
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.46
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Diameter φD φ25.4mm
Focal length f −199.7mm
Edge thickness te 2.9mm
Center thickness tc 2mm
Back focal length fb −200.4mm
Radius of curvature r 184mm
Centration ＜1′
i
Biconcave Lens Synthetic Fused Silica 15mm Diameter −24.7mm Focal Length
SLSQ-15B-25N 		15mm −24.7mm
6-12 weeks
$148.00
Material Synthetic fused silica
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.46
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Diameter φD φ15mm
Focal length f −24.7mm
Edge thickness te 4.5mm
Center thickness tc 2mm
Back focal length fb −25.3mm
Radius of curvature r 23mm
Centration ＜1′
i
Biconcave Lens Synthetic Fused Silica 30mm Diameter −39.7mm Focal Length
SLSQ-30B-40N 		30mm −39.7mm
2 weeks
$196.00
Material Synthetic fused silica
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.46
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Diameter φD φ30mm
Focal length f −39.7mm
Edge thickness te 8.4mm
Center thickness tc 2mm
Back focal length fb −40.3mm
Radius of curvature r 36.8mm
Centration ＜1′
i
Biconcave Lens Synthetic Fused Silica 15mm Diameter −49.7mm Focal Length
SLSQ-15B-50N 		15mm −49.7mm
6-12 weeks
$115.00
Material Synthetic fused silica
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.46
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Diameter φD φ15mm
Focal length f −49.7mm
Edge thickness te 3.2mm
Center thickness tc 2mm
Back focal length fb −50.3mm
Radius of curvature r 46mm
Centration ＜1′
i
Biconcave Lens Synthetic Fused Silica 30mm Diameter −69.7mm Focal Length
SLSQ-30B-70N 		30mm −69.7mm
6-12 weeks
$162.00
Material Synthetic fused silica
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.46
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Diameter φD φ30mm
Focal length f −69.7mm
Edge thickness te 5.5mm
Center thickness tc 2mm
Back focal length fb −70.3mm
Radius of curvature r 64.4mm
Centration ＜1′
i
Biconcave Lens Synthetic Fused Silica 30mm Diameter −99.7mm Focal Length
SLSQ-30B-100N 		30mm −99.7mm
in stock
$151.00
Material Synthetic fused silica
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.46
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Diameter φD φ30mm
Focal length f −99.7mm
Edge thickness te 4.5mm
Center thickness tc 2mm
Back focal length fb −100.3mm
Radius of curvature r 92mm
Centration ＜1′
i
Biconcave Lens Synthetic Fused Silica 20mm Diameter −29.7mm Focal Length
SLSQ-20B-30N 		20mm −29.7mm
in stock
$170.00
Material Synthetic fused silica
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.46
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Diameter φD φ20mm
Focal length f −29.7mm
Edge thickness te 5.8mm
Center thickness tc 2mm
Back focal length fb −30.3mm
Radius of curvature r 27.6mm
Centration ＜1′
i
Biconcave Lens Synthetic Fused Silica 40mm Diameter −59.7mm Focal Length
SLSQ-40B-60N 		40mm −59.7mm
6-12 weeks
$214.00
Material Synthetic fused silica
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.46
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Diameter φD φ40mm
Focal length f −59.7mm
Edge thickness te 9.5mm
Center thickness tc 2mm
Back focal length fb −60.3mm
Radius of curvature r 55.2mm
Centration ＜1′
i
Biconcave Lens Synthetic Fused Silica 25mm Diameter −24.7mm Focal Length
SLSQ-25B-25N 		25mm −24.7mm
in stock
$200.00
Material Synthetic fused silica
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.46
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Diameter φD φ25mm
Focal length f −24.7mm
Edge thickness te 9.4mm
Center thickness tc 2mm
Back focal length fb −25.3mm
Radius of curvature r 23mm
Centration ＜1′
i
Biconcave Lens Synthetic Fused Silica 40mm Diameter −89.7mm Focal Length
SLSQ-40B-90N 		40mm −89.7mm
in stock
$201.00
Material Synthetic fused silica
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.46
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Diameter φD φ40mm
Focal length f −89.7mm
Edge thickness te 6.9mm
Center thickness tc 2mm
Back focal length fb −90.3mm
Radius of curvature r 82.8mm
Centration ＜1′
i
Biconcave Lens Synthetic Fused Silica 25mm Diameter −39.7mm Focal Length
SLSQ-25B-40N 		25mm −39.7mm
6-12 weeks
$172.00
Material Synthetic fused silica
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.46
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Diameter φD φ25mm
Focal length f −39.7mm
Edge thickness te 6.4mm
Center thickness tc 2mm
Back focal length fb −40.3mm
Radius of curvature r 36.8mm
Centration ＜1′
i
Biconcave Lens Synthetic Fused Silica 50mm Diameter −59.5mm Focal Length
SLSQ-50B-60N 		50mm −59.5mm
6-12 weeks
$315.00
Material Synthetic fused silica
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.46
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Diameter φD φ50mm
Focal length f −59.5mm
Edge thickness te 15mm
Center thickness tc 3mm
Back focal length fb −60.5mm
Radius of curvature r 55.2mm
Centration ＜1′
i
Biconcave Lens Synthetic Fused Silica 25mm Diameter −69.7mm Focal Length
SLSQ-25B-70N 		25mm −69.7mm
6-12 weeks
$151.00
Material Synthetic fused silica
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.46
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Diameter φD φ25mm
Focal length f −69.7mm
Edge thickness te 4.5mm
Center thickness tc 2mm
Back focal length fb −70.3mm
Radius of curvature r 64.4mm
Centration ＜1′
i
Biconcave Lens Synthetic Fused Silica 50mm Diameter −89.5mm Focal Length
SLSQ-50B-90N 		50mm −89.5mm
in stock
$298.00
Material Synthetic fused silica
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.46
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Diameter φD φ50mm
Focal length f −89.5mm
Edge thickness te 10.7mm
Center thickness tc 3mm
Back focal length fb −90.5mm
Radius of curvature r 82.8mm
Centration ＜1′
i
Biconcave Lens Synthetic Fused Silica 25mm Diameter −99.7mm Focal Length
SLSQ-25B-100N 		25mm −99.7mm
2 weeks
$140.00
Material Synthetic fused silica
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.46
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Diameter φD φ25mm
Focal length f −99.7mm
Edge thickness te 3.7mm
Center thickness tc 2mm
Back focal length fb −100.3mm
Radius of curvature r 92mm
Centration ＜1′
i
Biconcave Lens Synthetic Fused Silica 50.8mm Diameter −59.5mm Focal Length
SLSQ-50.8B-60N 		50.8mm −59.5mm
in stock
$315.00
Material Synthetic fused silica
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.46
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Diameter φD φ50.8mm
Focal length f −59.5mm
Edge thickness te 15.4mm
Center thickness tc 3mm
Back focal length fb −60.5mm
Radius of curvature r 55.2mm
Centration ＜1′
i
Biconcave Lens Synthetic Fused Silica 25.4mm Diameter −39.7mm Focal Length
SLSQ-25.4B-40N 		25.4mm −39.7mm
in stock
$172.00
Material Synthetic fused silica
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.46
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Diameter φD φ25.4mm
Focal length f −39.7mm
Edge thickness te 6.5mm
Center thickness tc 2mm
Back focal length fb −40.4mm
Radius of curvature r 36.8mm
Centration ＜1′
i
Biconcave Lens Synthetic Fused Silica 50.8mm Diameter −89.5mm Focal Length
SLSQ-50.8B-90N 		50.8mm −89.5mm
in stock
$297.00
Material Synthetic fused silica
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.46
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Diameter φD φ50.8mm
Focal length f −89.5mm
Edge thickness te 11mm
Center thickness tc 3mm
Back focal length fb −90.5mm
Radius of curvature r 82.8mm
Centration ＜1′
i
Biconcave Lens Synthetic Fused Silica 10mm Diameter −14.7mm Focal Length
SLSQ-10B-15N 		10mm −14.7mm
6-12 weeks
$160.00
Material Synthetic fused silica
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.46
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Diameter φD φ10mm
Focal length f −14.7mm
Edge thickness te 3.9mm
Center thickness tc 2mm
Back focal length fb −15.3mm
Radius of curvature r 13.8mm
Centration ＜1′
i
Biconcave Lens Synthetic Fused Silica 25.4mm Diameter −69.7mm Focal Length
SLSQ-25.4B-70N 		25.4mm −69.7mm
in stock
$151.00
Material Synthetic fused silica
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.46
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Diameter φD φ25.4mm
Focal length f −69.7mm
Edge thickness te 4.5mm
Center thickness tc 2mm
Back focal length fb −70.4mm
Radius of curvature r 64.4mm
Centration ＜1′
i
Biconcave Lens Synthetic Fused Silica 50.8mm Diameter −199.5mm Focal Length
SLSQ-50.8B-200N 		50.8mm −199.5mm
in stock
$297.00
Material Synthetic fused silica
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.46
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Diameter φD φ50.8mm
Focal length f −199.5mm
Edge thickness te 6.5mm
Center thickness tc 3mm
Back focal length fb −200.5mm
Radius of curvature r 184mm
Centration ＜1′
i
Biconcave Lens Synthetic Fused Silica 10mm Diameter −29.7mm Focal Length
SLSQ-10B-30N 		10mm −29.7mm
6-12 weeks
$126.00
Material Synthetic fused silica
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.46
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Diameter φD φ10mm
Focal length f −29.7mm
Edge thickness te 2.9mm
Center thickness tc 2mm
Back focal length fb −30.3mm
Radius of curvature r 27.6mm
Centration ＜1′
i
Biconcave Lens Synthetic Fused Silica 25.4mm Diameter −99.7mm Focal Length
SLSQ-25.4B-100N 		25.4mm −99.7mm
in stock
$140.00
Material Synthetic fused silica
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.46
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Diameter φD φ25.4mm
Focal length f −99.7mm
Edge thickness te 3.8mm
Center thickness tc 2mm
Back focal length fb −100.4mm
Radius of curvature r 92mm
Centration ＜1′
i
Biconcave Lens Synthetic Fused Silica 15mm Diameter −14.7mm Focal Length
SLSQ-15B-15N 		15mm −14.7mm
6-12 weeks
$170.00
Material Synthetic fused silica
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.46
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Diameter φD φ15mm
Focal length f −14.7mm
Edge thickness te 6.4mm
Center thickness tc 2mm
Back focal length fb −15.3mm
Radius of curvature r 13.8mm
Centration ＜1′
i
Biconcave Lens Synthetic Fused Silica 30mm Diameter −29.7mm Focal Length
SLSQ-30B-30N 		30mm −29.7mm
in stock
$230.00
Material Synthetic fused silica
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.46
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Diameter φD φ30mm
Focal length f −29.7mm
Edge thickness te 10.9mm
Center thickness tc 2mm
Back focal length fb −30.3mm
Radius of curvature r 27.6mm
Centration ＜1′
i
Biconcave Lens Synthetic Fused Silica 15mm Diameter −29.7mm Focal Length
SLSQ-15B-30N 		15mm −29.7mm
6-12 weeks
$137.00
Material Synthetic fused silica
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.46
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Diameter φD φ15mm
Focal length f −29.7mm
Edge thickness te 4.1mm
Center thickness tc 2mm
Back focal length fb −30.3mm
Radius of curvature r 27.6mm
Centration ＜1′
i
Biconcave Lens Synthetic Fused Silica 30mm Diameter −49.7mm Focal Length
SLSQ-30B-50N 		30mm −49.7mm
in stock
$174.00
Material Synthetic fused silica
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.46
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Diameter φD φ30mm
Focal length f −49.7mm
Edge thickness te 7mm
Center thickness tc 2mm
Back focal length fb −50.3mm
Radius of curvature r 46mm
Centration ＜1′
i
Biconcave Lens Synthetic Fused Silica 20mm Diameter −19.7mm Focal Length
SLSQ-20B-20N 		20mm −19.7mm
6-12 weeks
$200.00
Material Synthetic fused silica
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.46
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Diameter φD φ20mm
Focal length f −19.7mm
Edge thickness te 7.9mm
Center thickness tc 2mm
Back focal length fb −20.3mm
Radius of curvature r 18.4mm
Centration ＜1′
i
Biconcave Lens Synthetic Fused Silica 30mm Diameter −79.7mm Focal Length
SLSQ-30B-80N 		30mm −79.7mm
6-12 weeks
$157.00
Material Synthetic fused silica
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.46
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Diameter φD φ30mm
Focal length f −79.7mm
Edge thickness te 5.1mm
Center thickness tc 2mm
Back focal length fb −80.3mm
Radius of curvature r 73.6mm
Centration ＜1′
i
Biconcave Lens Synthetic Fused Silica 40mm Diameter −39.7mm Focal Length
SLSQ-40B-40N 		40mm −39.7mm
6-12 weeks
$240.00
Material Synthetic fused silica
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.46
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Diameter φD φ40mm
Focal length f −39.7mm
Edge thickness te 13.8mm
Center thickness tc 2mm
Back focal length fb −40.3mm
Radius of curvature r 36.8mm
Centration ＜1′
i
Biconcave Lens Synthetic Fused Silica 20mm Diameter −39.7mm Focal Length
SLSQ-20B-40N 		20mm −39.7mm
6-12 weeks
$160.00
Material Synthetic fused silica
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.46
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Diameter φD φ20mm
Focal length f −39.7mm
Edge thickness te 4.8mm
Center thickness tc 2mm
Back focal length fb −40.3mm
Radius of curvature r 36.8mm
Centration ＜1′
i
Biconcave Lens Synthetic Fused Silica 40mm Diameter −69.7mm Focal Length
SLSQ-40B-70N 		40mm −69.7mm
6-12 weeks
$207.00
Material Synthetic fused silica
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.46
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Diameter φD φ40mm
Focal length f −69.7mm
Edge thickness te 8.4mm
Center thickness tc 2mm
Back focal length fb −70.3mm
Radius of curvature r 64.4mm
Centration ＜1′
i
Biconcave Lens Synthetic Fused Silica 25mm Diameter −29.7mm Focal Length
SLSQ-25B-30N 		25mm −29.7mm
6-12 weeks
$196.00
Material Synthetic fused silica
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.46
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Diameter φD φ25mm
Focal length f −29.7mm
Edge thickness te 8mm
Center thickness tc 2mm
Back focal length fb −30.3mm
Radius of curvature r 27.6mm
Centration ＜1′
i
Biconcave Lens Synthetic Fused Silica 40mm Diameter −99.7mm Focal Length
SLSQ-40B-100N 		40mm −99.7mm
6-12 weeks
$201.00
Material Synthetic fused silica
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.46
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Diameter φD φ40mm
Focal length f −99.7mm
Edge thickness te 6.4mm
Center thickness tc 2mm
Back focal length fb −100.3mm
Radius of curvature r 92mm
Centration ＜1′
i
Biconcave Lens Synthetic Fused Silica 25mm Diameter −49.7mm Focal Length
SLSQ-25B-50N 		25mm −49.7mm
in stock
$151.00
Material Synthetic fused silica
Design Wavelength 546.1nm
Refractive index n<sub>e</sub> 1.46
Coating Uncoated
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 20-10
Diameter φD φ25mm
Focal length f −49.7mm
Edge thickness te 5.5mm
Center thickness tc 2mm
Back focal length fb −50.3mm
Radius of curvature r 46mm
Centration ＜1′

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