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Fused Silica, BiConvex Lenses (Uncoated)

SLSQ-B-P

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Fused Silica, BiConvex Lenses (Uncoated)
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SKU
SLSQ-B-P
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
Biconvex Lens Synthetic Fused Silica 50.8mm Diameter 101.7mm Focal Length
SLSQ-50.8B-100P 		50.8mm 101.7mm
6-12 weeks
£199.80
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 101.7mm
Edge thickness te 2.7mm
Center thickness tc 9.9mm
Back focal length fb 98.3mm
Radius of curvature r 92mm
Centration ＜1′
i
Biconvex Lens Synthetic Fused Silica 6mm Diameter 20.3mm Focal Length
SLSQ-06B-20P 		6mm 20.3mm
6-12 weeks
£107.90
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) φD≧φ10mm ; 20－10
φD＜φ10mm ; 40－20　
Diameter φD φ6mm
Focal length f 20.3mm
Edge thickness te 1mm
Center thickness tc 1.5mm
Back focal length fb 19.7mm
Radius of curvature r 18.4mm
Centration ＜3′
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Biconvex Lens Synthetic Fused Silica 10mm Diameter 100.4mm Focal Length
SLSQ-10B-100P 		10mm 100.4mm
6-12 weeks
£54.90
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) φD≧φ10mm ; 20－10
φD＜φ10mm ; 40－20　
Diameter φD φ10mm
Focal length f 100.4mm
Edge thickness te 2mm
Center thickness tc 2.3mm
Back focal length fb 99.6mm
Radius of curvature r 92mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 25mm Diameter 90.7mm Focal Length
SLSQ-25B-90P 		25mm 90.7mm
6-12 weeks
£86.90
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) φD≧φ10mm ; 20－10
φD＜φ10mm ; 40－20　
Diameter φD φ25mm
Focal length f 90.7mm
Edge thickness te 2mm
Center thickness tc 3.9mm
Back focal length fb 89.3mm
Radius of curvature r 82.8mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 30mm Diameter 250.5mm Focal Length
SLSQ-30B-250P 		30mm 250.5mm
6-12 weeks
£95.60
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 250.5mm
Edge thickness te 2mm
Center thickness tc 3mm
Back focal length fb 249.5mm
Radius of curvature r 230mm
Centration ＜1′
i
Biconvex Lens Synthetic Fused Silica 40mm Diameter 61.7mm Focal Length
SLSQ-40B-60P 		40mm 61.7mm
1 week
£138.90
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 61.7mm
Edge thickness te 2mm
Center thickness tc 9.5mm
Back focal length fb 58.3mm
Radius of curvature r 55.2mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 50.8mm Diameter 201.1mm Focal Length
SLSQ-50.8B-200P 		50.8mm 201.1mm
6-12 weeks
£165.10
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 201.1mm
Edge thickness te 2.9mm
Center thickness tc 6.4mm
Back focal length fb 198.9mm
Radius of curvature r 184mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 7mm Diameter 8.7mm Focal Length
SLSQ-07B-08P 		7mm 8.7mm
6-12 weeks
£86.90
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) φD≧φ10mm ; 20－10
φD＜φ10mm ; 40－20　
Diameter φD φ7mm
Focal length f 8.7mm
Edge thickness te 2.1mm
Center thickness tc 3.9mm
Back focal length fb 7.3mm
Radius of curvature r 7.36mm
Centration ＜3′
i
Biconvex Lens Synthetic Fused Silica 15mm Diameter 25.8mm Focal Length
SLSQ-15B-25P 		15mm 25.8mm
1 week
£86.90
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) φD≧φ10mm ; 20－10
φD＜φ10mm ; 40－20　
Diameter φD φ15mm
Focal length f 25.8mm
Edge thickness te 2mm
Center thickness tc 4.5mm
Back focal length fb 24.2mm
Radius of curvature r 23mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 25mm Diameter 150.5mm Focal Length
SLSQ-25B-150P 		25mm 150.5mm
1 week
£86.90
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) φD≧φ10mm ; 20－10
φD＜φ10mm ; 40－20　
Diameter φD φ25mm
Focal length f 150.5mm
Edge thickness te 2mm
Center thickness tc 3.1mm
Back focal length fb 149.5mm
Radius of curvature r 138mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 40mm Diameter 91.2mm Focal Length
SLSQ-40B-90P 		40mm 91.2mm
6-12 weeks
£138.90
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 91.2mm
Edge thickness te 2mm
Center thickness tc 6.9mm
Back focal length fb 88.8mm
Radius of curvature r 82.8mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 7mm Diameter 15.5mm Focal Length
SLSQ-07B-15P 		7mm 15.5mm
6-12 weeks
£86.90
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) φD≧φ10mm ; 20－10
φD＜φ10mm ; 40－20　
Diameter φD φ7mm
Focal length f 15.5mm
Edge thickness te 1.8mm
Center thickness tc 2.7mm
Back focal length fb 14.5mm
Radius of curvature r 13.8mm
Centration ＜3′
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Biconvex Lens Synthetic Fused Silica 15mm Diameter 50.6mm Focal Length
SLSQ-15B-50P 		15mm 50.6mm
6-12 weeks
£69.50
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) φD≧φ10mm ; 20－10
φD＜φ10mm ; 40－20　
Diameter φD φ15mm
Focal length f 50.6mm
Edge thickness te 2mm
Center thickness tc 3.2mm
Back focal length fb 49.4mm
Radius of curvature r 46mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 25.4mm Diameter 26.7mm Focal Length
SLSQ-25.4B-25P 		25.4mm 26.7mm
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 φ25.4mm
Focal length f 26.7mm
Edge thickness te 1.8mm
Center thickness tc 9.4mm
Back focal length fb 23.3mm
Radius of curvature r 23mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 40mm Diameter 150.8mm Focal Length
SLSQ-40B-150P 		40mm 150.8mm
6-12 weeks
£134.90
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 150.8mm
Edge thickness te 2mm
Center thickness tc 4.9mm
Back focal length fb 149.2mm
Radius of curvature r 138mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 7mm Diameter 30.4mm Focal Length
SLSQ-07B-30P 		7mm 30.4mm
6-12 weeks
£86.90
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) φD≧φ10mm ; 20－10
φD＜φ10mm ; 40－20　
Diameter φD φ7mm
Focal length f 30.4mm
Edge thickness te 1.6mm
Center thickness tc 2.1mm
Back focal length fb 29.6mm
Radius of curvature r 27.6mm
Centration ＜3′
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Biconvex Lens Synthetic Fused Silica 15mm Diameter 80.5mm Focal Length
SLSQ-15B-80P 		15mm 80.5mm
6-12 weeks
£65.40
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) φD≧φ10mm ; 20－10
φD＜φ10mm ; 40－20　
Diameter φD φ15mm
Focal length f 80.5mm
Edge thickness te 2mm
Center thickness tc 2.8mm
Back focal length fb 79.5mm
Radius of curvature r 73.6mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 25.4mm Diameter 41.1mm Focal Length
SLSQ-25.4B-40P 		25.4mm 41.1mm
6-12 weeks
£113.80
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 41.1mm
Edge thickness te 1.9mm
Center thickness tc 6.4mm
Back focal length fb 38.8mm
Radius of curvature r 36.8mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 40mm Diameter 220.7mm Focal Length
SLSQ-40B-220P 		40mm 220.7mm
1 week
£130.30
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 220.7mm
Edge thickness te 2mm
Center thickness tc 4mm
Back focal length fb 219.3mm
Radius of curvature r 202.4mm
Centration ＜1′
i
Biconvex Lens Synthetic Fused Silica 8mm Diameter 8.7mm Focal Length
SLSQ-08B-08P 		8mm 8.7mm
1 week
£86.90
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) φD≧φ10mm ; 20－10
φD＜φ10mm ; 40－20　
Diameter φD φ8mm
Focal length f 8.7mm
Edge thickness te 1.5mm
Center thickness tc 3.9mm
Back focal length fb 7.3mm
Radius of curvature r 7.36mm
Centration ＜3′
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Biconvex Lens Synthetic Fused Silica 20mm Diameter 21.5mm Focal Length
SLSQ-20B-20P 		20mm 21.5mm
1 week
£112.60
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) φD≧φ10mm ; 20－10
φD＜φ10mm ; 40－20　
Diameter φD φ20mm
Focal length f 21.5mm
Edge thickness te 2mm
Center thickness tc 7.9mm
Back focal length fb 18.5mm
Radius of curvature r 18.4mm
Centration ＜1′
i
Biconvex Lens Synthetic Fused Silica 25.4mm Diameter 70.8mm Focal Length
SLSQ-25.4B-70P 		25.4mm 70.8mm
6-12 weeks
£91.50
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 70.8mm
Edge thickness te 1.9mm
Center thickness tc 4.4mm
Back focal length fb 69.1mm
Radius of curvature r 64.4mm
Centration ＜1′
i
Biconvex Lens Synthetic Fused Silica 50mm Diameter 62.7mm Focal Length
SLSQ-50B-60P 		50mm 62.7mm
1 week
£217.20
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 62.7mm
Edge thickness te 3mm
Center thickness tc 15mm
Back focal length fb 57.3mm
Radius of curvature r 55.2mm
Centration ＜1′
i
Biconvex Lens Synthetic Fused Silica 8mm Diameter 15.5mm Focal Length
SLSQ-08B-15P 		8mm 15.5mm
6-12 weeks
£86.90
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) φD≧φ10mm ; 20－10
φD＜φ10mm ; 40－20　
Diameter φD φ8mm
Focal length f 15.5mm
Edge thickness te 1.5mm
Center thickness tc 2.7mm
Back focal length fb 14.5mm
Radius of curvature r 13.8mm
Centration ＜3′
i
Biconvex Lens Synthetic Fused Silica 20mm Diameter 40.8mm Focal Length
SLSQ-20B-40P 		20mm 40.8mm
6-12 weeks
£100.10
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) φD≧φ10mm ; 20－10
φD＜φ10mm ; 40－20　
Diameter φD φ20mm
Focal length f 40.8mm
Edge thickness te 2mm
Center thickness tc 4.8mm
Back focal length fb 39.2mm
Radius of curvature r 36.8mm
Centration ＜1′
i
Biconvex Lens Synthetic Fused Silica 25.4mm Diameter 100.6mm Focal Length
SLSQ-25.4B-100P 		25.4mm 100.6mm
1 week
£86.90
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 100.6mm
Edge thickness te 1.9mm
Center thickness tc 3.7mm
Back focal length fb 99.2mm
Radius of curvature r 92mm
Centration ＜1′
i
Biconvex Lens Synthetic Fused Silica 50mm Diameter 91.9mm Focal Length
SLSQ-50B-90P 		50mm 91.9mm
1 week
£204.40
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 91.9mm
Edge thickness te 3mm
Center thickness tc 10.7mm
Back focal length fb 88.1mm
Radius of curvature r 82.8mm
Centration ＜1′
i
Biconvex Lens Synthetic Fused Silica 8mm Diameter 30.4mm Focal Length
SLSQ-08B-30P 		8mm 30.4mm
6-12 weeks
£86.90
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) φD≧φ10mm ; 20－10
φD＜φ10mm ; 40－20　
Diameter φD φ8mm
Focal length f 30.4mm
Edge thickness te 1.5mm
Center thickness tc 2.1mm
Back focal length fb 29.6mm
Radius of curvature r 27.6mm
Centration ＜3′
i
Biconvex Lens Synthetic Fused Silica 20mm Diameter 70.6mm Focal Length
SLSQ-20B-70P 		20mm 70.6mm
6-12 weeks
£82.80
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) φD≧φ10mm ; 20－10
φD＜φ10mm ; 40－20　
Diameter φD φ20mm
Focal length f 70.6mm
Edge thickness te 2mm
Center thickness tc 3.6mm
Back focal length fb 69.4mm
Radius of curvature r 64.4mm
Centration ＜1′
i
Biconvex Lens Synthetic Fused Silica 30mm Diameter 32mm Focal Length
SLSQ-30B-30P 		30mm 32mm
1 week
£119.80
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 32mm
Edge thickness te 2mm
Center thickness tc 10.9mm
Back focal length fb 28mm
Radius of curvature r 27.6mm
Centration ＜1′
i
Biconvex Lens Synthetic Fused Silica 50mm Diameter 151.3mm Focal Length
SLSQ-50B-150P 		50mm 151.3mm
6-12 weeks
£169.70
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 151.3mm
Edge thickness te 3mm
Center thickness tc 7.6mm
Back focal length fb 148.7mm
Radius of curvature r 138mm
Centration ＜1′
i
Biconvex Lens Synthetic Fused Silica 5mm Diameter 10.4mm Focal Length
SLSQ-05B-10P 		5mm 10.4mm
6-12 weeks
£107.90
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) φD≧φ10mm ; 20－10
φD＜φ10mm ; 40－20　
Diameter φD φ5mm
Focal length f 10.4mm
Edge thickness te 1.3mm
Center thickness tc 2mm
Back focal length fb 9.6mm
Radius of curvature r 9.2mm
Centration ＜3′
i
Biconvex Lens Synthetic Fused Silica 10mm Diameter 10.9mm Focal Length
SLSQ-10B-10P 		10mm 10.9mm
1 week
£100.10
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) φD≧φ10mm ; 20－10
φD＜φ10mm ; 40－20　
Diameter φD φ10mm
Focal length f 10.9mm
Edge thickness te 2mm
Center thickness tc 5mm
Back focal length fb 9.1mm
Radius of curvature r 9.2mm
Centration ＜1′
i
Biconvex Lens Synthetic Fused Silica 20mm Diameter 100.5mm Focal Length
SLSQ-20B-100P 		20mm 100.5mm
6-12 weeks
£74.10
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) φD≧φ10mm ; 20－10
φD＜φ10mm ; 40－20　
Diameter φD φ20mm
Focal length f 100.5mm
Edge thickness te 2mm
Center thickness tc 3.1mm
Back focal length fb 99.5mm
Radius of curvature r 92mm
Centration ＜1′
i
Biconvex Lens Synthetic Fused Silica 30mm Diameter 51.2mm Focal Length
SLSQ-30B-50P 		30mm 51.2mm
1 week
£119.80
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 51.2mm
Edge thickness te 2mm
Center thickness tc 7mm
Back focal length fb 48.8mm
Radius of curvature r 46mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 50mm Diameter 221mm Focal Length
SLSQ-50B-220P 		50mm 221mm
1 week
£165.10
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 221mm
Edge thickness te 3mm
Center thickness tc 6.1mm
Back focal length fb 219mm
Radius of curvature r 202.4mm
Centration ＜1′
i
Biconvex Lens Synthetic Fused Silica 5mm Diameter 20.3mm Focal Length
SLSQ-05B-20P 		5mm 20.3mm
1 week
£107.90
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) φD≧φ10mm ; 20－10
φD＜φ10mm ; 40－20　
Diameter φD φ5mm
Focal length f 20.3mm
Edge thickness te 1.2mm
Center thickness tc 1.5mm
Back focal length fb 19.7mm
Radius of curvature r 18.4mm
Centration ＜3′
i
Biconvex Lens Synthetic Fused Silica 10mm Diameter 25.5mm Focal Length
SLSQ-10B-25P 		10mm 25.5mm
6-12 weeks
£80.90
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) φD≧φ10mm ; 20－10
φD＜φ10mm ; 40－20　
Diameter φD φ10mm
Focal length f 25.5mm
Edge thickness te 2mm
Center thickness tc 3.1mm
Back focal length fb 24.5mm
Radius of curvature r 23mm
Centration ＜1′
i
Biconvex Lens Synthetic Fused Silica 25mm Diameter 26.7mm Focal Length
SLSQ-25B-25P 		25mm 26.7mm
1 week
£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) φD≧φ10mm ; 20－10
φD＜φ10mm ; 40－20　
Diameter φD φ25mm
Focal length f 26.7mm
Edge thickness te 2mm
Center thickness tc 9.4mm
Back focal length fb 23.3mm
Radius of curvature r 23mm
Centration ＜1′
i
Biconvex Lens Synthetic Fused Silica 30mm Diameter 80.9mm Focal Length
SLSQ-30B-80P 		30mm 80.9mm
1 week
£108.80
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 80.9mm
Edge thickness te 2mm
Center thickness tc 5.1mm
Back focal length fb 79.1mm
Radius of curvature r 73.6mm
Centration ＜1′
i
Biconvex Lens Synthetic Fused Silica 50.8mm Diameter 53.2mm Focal Length
SLSQ-50.8B-50P 		50.8mm 53.2mm
6-12 weeks
£258.70
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 53.2mm
Edge thickness te 2.5mm
Center thickness tc 17.8mm
Back focal length fb 46.7mm
Radius of curvature r 46mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 6mm Diameter 6.5mm Focal Length
SLSQ-06B-06P 		6mm 6.5mm
6-12 weeks
£107.90
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) φD≧φ10mm ; 20－10
φD＜φ10mm ; 40－20　
Diameter φD φ6mm
Focal length f 6.5mm
Edge thickness te 1mm
Center thickness tc 2.8mm
Back focal length fb 5.5mm
Radius of curvature r 5.52mm
Centration ＜3′
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Biconvex Lens Synthetic Fused Silica 10mm Diameter 50.4mm Focal Length
SLSQ-10B-50P 		10mm 50.4mm
1 week
£59.50
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) φD≧φ10mm ; 20－10
φD＜φ10mm ; 40－20　
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 46mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 25mm Diameter 41.1mm Focal Length
SLSQ-25B-40P 		25mm 41.1mm
1 week
£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) φD≧φ10mm ; 20－10
φD＜φ10mm ; 40－20　
Diameter φD φ25mm
Focal length f 41.1mm
Edge thickness te 2mm
Center thickness tc 6.4mm
Back focal length fb 38.9mm
Radius of curvature r 36.8mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 30mm Diameter 120.7mm Focal Length
SLSQ-30B-120P 		30mm 120.7mm
1 week
£100.10
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 120.7mm
Edge thickness te 2mm
Center thickness tc 4mm
Back focal length fb 119.3mm
Radius of curvature r 110.4mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 50.8mm Diameter 82.1mm Focal Length
SLSQ-50.8B-80P 		50.8mm 82.1mm
1 week
£208.50
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 82.1mm
Edge thickness te 2.8mm
Center thickness tc 11.8mm
Back focal length fb 78mm
Radius of curvature r 73.6mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 6mm Diameter 12.3mm Focal Length
SLSQ-06B-12P 		6mm 12.3mm
6-12 weeks
£107.90
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) φD≧φ10mm ; 20－10
φD＜φ10mm ; 40－20　
Diameter φD φ6mm
Focal length f 12.3mm
Edge thickness te 1mm
Center thickness tc 1.8mm
Back focal length fb 11.7mm
Radius of curvature r 11.04mm
Centration ＜3′
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Biconvex Lens Synthetic Fused Silica 10mm Diameter 80.4mm Focal Length
SLSQ-10B-80P 		10mm 80.4mm
1 week
£54.90
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) φD≧φ10mm ; 20－10
φD＜φ10mm ; 40－20　
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 73.6mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 25mm Diameter 70.8mm Focal Length
SLSQ-25B-70P 		25mm 70.8mm
1 week
£91.50
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) φD≧φ10mm ; 20－10
φD＜φ10mm ; 40－20　
Diameter φD φ25mm
Focal length f 70.8mm
Edge thickness te 2mm
Center thickness tc 4.5mm
Back focal length fb 69.2mm
Radius of curvature r 64.4mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 30mm Diameter 200.6mm Focal Length
SLSQ-30B-200P 		30mm 200.6mm
6-12 weeks
£95.60
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 200.6mm
Edge thickness te 2mm
Center thickness tc 3.2mm
Back focal length fb 199.4mm
Radius of curvature r 184mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 50.8mm Diameter 121.5mm Focal Length
SLSQ-50.8B-120P 		50.8mm 121.5mm
6-12 weeks
£191.10
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 121.5mm
Edge thickness te 2.8mm
Center thickness tc 8.7mm
Back focal length fb 118.5mm
Radius of curvature r 110.4mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 6mm Diameter 25.2mm Focal Length
SLSQ-06B-25P 		6mm 25.2mm
6-12 weeks
£107.90
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) φD≧φ10mm ; 20－10
φD＜φ10mm ; 40－20　
Diameter φD φ6mm
Focal length f 25.2mm
Edge thickness te 1mm
Center thickness tc 1.4mm
Back focal length fb 24.8mm
Radius of curvature r 23mm
Centration ＜3′
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Biconvex Lens Synthetic Fused Silica 15mm Diameter 16.2mm Focal Length
SLSQ-15B-15P 		15mm 16.2mm
1 week
£104.30
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) φD≧φ10mm ; 20－10
φD＜φ10mm ; 40－20　
Diameter φD φ15mm
Focal length f 16.2mm
Edge thickness te 2mm
Center thickness tc 6.4mm
Back focal length fb 13.8mm
Radius of curvature r 13.8mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 25mm Diameter 100.6mm Focal Length
SLSQ-25B-100P 		25mm 100.6mm
6-12 weeks
£86.90
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) φD≧φ10mm ; 20－10
φD＜φ10mm ; 40－20　
Diameter φD φ25mm
Focal length f 100.6mm
Edge thickness te 2mm
Center thickness tc 3.7mm
Back focal length fb 99.4mm
Radius of curvature r 92mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 40mm Diameter 42.5mm Focal Length
SLSQ-40B-40P 		40mm 42.5mm
1 week
£138.90
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 42.5mm
Edge thickness te 2mm
Center thickness tc 13.8mm
Back focal length fb 37.5mm
Radius of curvature r 36.8mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 40mm Diameter 71.5mm Focal Length
SLSQ-40B-70P 		40mm 71.5mm
1 week
£138.90
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 71.5mm
Edge thickness te 2mm
Center thickness tc 8.4mm
Back focal length fb 68.5mm
Radius of curvature r 64.4mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 50.8mm Diameter 251mm Focal Length
SLSQ-50.8B-250P 		50.8mm 251mm
1 week
£165.10
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 251mm
Edge thickness te 3mm
Center thickness tc 5.8mm
Back focal length fb 249mm
Radius of curvature r 230mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 7mm Diameter 10.6mm Focal Length
SLSQ-07B-10P 		7mm 10.6mm
6-12 weeks
£86.90
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) φD≧φ10mm ; 20－10
φD＜φ10mm ; 40－20　
Diameter φD φ7mm
Focal length f 10.6mm
Edge thickness te 1.9mm
Center thickness tc 3.3mm
Back focal length fb 9.4mm
Radius of curvature r 9.2mm
Centration ＜3′
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Biconvex Lens Synthetic Fused Silica 15mm Diameter 30.7mm Focal Length
SLSQ-15B-30P 		15mm 30.7mm
6-12 weeks
£80.90
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) φD≧φ10mm ; 20－10
φD＜φ10mm ; 40－20　
Diameter φD φ15mm
Focal length f 30.7mm
Edge thickness te 2mm
Center thickness tc 4.1mm
Back focal length fb 29.3mm
Radius of curvature r 27.6mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 25mm Diameter 170.5mm Focal Length
SLSQ-25B-170P 		25mm 170.5mm
1 week
£86.90
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) φD≧φ10mm ; 20－10
φD＜φ10mm ; 40－20　
Diameter φD φ25mm
Focal length f 170.5mm
Edge thickness te 2mm
Center thickness tc 3mm
Back focal length fb 169.5mm
Radius of curvature r 156.4mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 40mm Diameter 101.1mm Focal Length
SLSQ-40B-100P 		40mm 101.1mm
6-12 weeks
£138.90
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 101.1mm
Edge thickness te 2mm
Center thickness tc 6.4mm
Back focal length fb 98.9mm
Radius of curvature r 92mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 7mm Diameter 20.4mm Focal Length
SLSQ-07B-20P 		7mm 20.4mm
6-12 weeks
£86.90
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) φD≧φ10mm ; 20－10
φD＜φ10mm ; 40－20　
Diameter φD φ7mm
Focal length f 20.4mm
Edge thickness te 1.7mm
Center thickness tc 2.4mm
Back focal length fb 19.6mm
Radius of curvature r 18.4mm
Centration ＜3′
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Biconvex Lens Synthetic Fused Silica 15mm Diameter 60.5mm Focal Length
SLSQ-15B-60P 		15mm 60.5mm
1 week
£69.50
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) φD≧φ10mm ; 20－10
φD＜φ10mm ; 40－20　
Diameter φD φ15mm
Focal length f 60.5mm
Edge thickness te 2mm
Center thickness tc 3mm
Back focal length fb 59.5mm
Radius of curvature r 55.2mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 25.4mm Diameter 31.4mm Focal Length
SLSQ-25.4B-30P 		25.4mm 31.4mm
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 φ25.4mm
Focal length f 31.4mm
Edge thickness te 1.8mm
Center thickness tc 8mm
Back focal length fb 28.5mm
Radius of curvature r 27.6mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 40mm Diameter 170.8mm Focal Length
SLSQ-40B-170P 		40mm 170.8mm
6-12 weeks
£134.90
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 170.8mm
Edge thickness te 2mm
Center thickness tc 4.6mm
Back focal length fb 169.2mm
Radius of curvature r 156.4mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 7mm Diameter 40.3mm Focal Length
SLSQ-07B-40P 		7mm 40.3mm
6-12 weeks
£86.90
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) φD≧φ10mm ; 20－10
φD＜φ10mm ; 40－20　
Diameter φD φ7mm
Focal length f 40.3mm
Edge thickness te 1.6mm
Center thickness tc 1.9mm
Back focal length fb 39.7mm
Radius of curvature r 36.8mm
Centration ＜3′
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Biconvex Lens Synthetic Fused Silica 15mm Diameter 90.5mm Focal Length
SLSQ-15B-90P 		15mm 90.5mm
6-12 weeks
£65.40
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) φD≧φ10mm ; 20－10
φD＜φ10mm ; 40－20　
Diameter φD φ15mm
Focal length f 90.5mm
Edge thickness te 2mm
Center thickness tc 2.7mm
Back focal length fb 89.5mm
Radius of curvature r 82.8mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 25.4mm Diameter 51mm Focal Length
SLSQ-25.4B-50P 		25.4mm 51mm
1 week
£113.00
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 51mm
Edge thickness te 1.9mm
Center thickness tc 5.5mm
Back focal length fb 49.1mm
Radius of curvature r 46mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 40mm Diameter 250.6mm Focal Length
SLSQ-40B-250P 		40mm 250.6mm
1 week
£130.30
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 250.6mm
Edge thickness te 2mm
Center thickness tc 3.7mm
Back focal length fb 249.4mm
Radius of curvature r 230mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 8mm Diameter 10.6mm Focal Length
SLSQ-08B-10P 		8mm 10.6mm
6-12 weeks
£86.90
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) φD≧φ10mm ; 20－10
φD＜φ10mm ; 40－20　
Diameter φD φ8mm
Focal length f 10.6mm
Edge thickness te 1.5mm
Center thickness tc 3.3mm
Back focal length fb 9.4mm
Radius of curvature r 9.2mm
Centration ＜3′
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Biconvex Lens Synthetic Fused Silica 20mm Diameter 26.2mm Focal Length
SLSQ-20B-25P 		20mm 26.2mm
1 week
£112.60
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) φD≧φ10mm ; 20－10
φD＜φ10mm ; 40－20　
Diameter φD φ20mm
Focal length f 26.2mm
Edge thickness te 2mm
Center thickness tc 6.6mm
Back focal length fb 23.8mm
Radius of curvature r 23mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 25.4mm Diameter 80.7mm Focal Length
SLSQ-25.4B-80P 		25.4mm 80.7mm
1 week
£86.90
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 80.7mm
Edge thickness te 1.9mm
Center thickness tc 4.1mm
Back focal length fb 79.1mm
Radius of curvature r 73.6mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 50mm Diameter 72.3mm Focal Length
SLSQ-50B-70P 		50mm 72.3mm
6-12 weeks
£213.10
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 72.3mm
Edge thickness te 3mm
Center thickness tc 13.1mm
Back focal length fb 67.7mm
Radius of curvature r 64.4mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 8mm Diameter 20.4mm Focal Length
SLSQ-08B-20P 		8mm 20.4mm
6-12 weeks
£86.90
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) φD≧φ10mm ; 20－10
φD＜φ10mm ; 40－20　
Diameter φD φ8mm
Focal length f 20.4mm
Edge thickness te 1.5mm
Center thickness tc 2.4mm
Back focal length fb 19.6mm
Radius of curvature r 18.4mm
Centration ＜3′
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Biconvex Lens Synthetic Fused Silica 20mm Diameter 50.7mm Focal Length
SLSQ-20B-50P 		20mm 50.7mm
1 week
£91.50
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) φD≧φ10mm ; 20－10
φD＜φ10mm ; 40－20　
Diameter φD φ20mm
Focal length f 50.7mm
Edge thickness te 2mm
Center thickness tc 4.2mm
Back focal length fb 49.3mm
Radius of curvature r 46mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 25.4mm Diameter 150.5mm Focal Length
SLSQ-25.4B-150P 		25.4mm 150.5mm
1 week
£86.90
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 150.5mm
Edge thickness te 1.9mm
Center thickness tc 3.1mm
Back focal length fb 149.3mm
Radius of curvature r 138mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 50mm Diameter 101.7mm Focal Length
SLSQ-50B-100P 		50mm 101.7mm
1 week
£199.80
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 101.7mm
Edge thickness te 3mm
Center thickness tc 9.9mm
Back focal length fb 98.3mm
Radius of curvature r 92mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 5mm Diameter 6.5mm Focal Length
SLSQ-05B-06P 		5mm 6.5mm
6-12 weeks
£107.90
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) φD≧φ10mm ; 20－10
φD＜φ10mm ; 40－20　
Diameter φD φ5mm
Focal length f 6.5mm
Edge thickness te 1.6mm
Center thickness tc 2.8mm
Back focal length fb 5.5mm
Radius of curvature r 5.52mm
Centration ＜3′
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Biconvex Lens Synthetic Fused Silica 8mm Diameter 40.3mm Focal Length
SLSQ-08B-40P 		8mm 40.3mm
6-12 weeks
£86.90
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) φD≧φ10mm ; 20－10
φD＜φ10mm ; 40－20　
Diameter φD φ8mm
Focal length f 40.3mm
Edge thickness te 1.5mm
Center thickness tc 1.9mm
Back focal length fb 39.7mm
Radius of curvature r 36.8mm
Centration ＜3′
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Biconvex Lens Synthetic Fused Silica 20mm Diameter 80.6mm Focal Length
SLSQ-20B-80P 		20mm 80.6mm
6-12 weeks
£78.20
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) φD≧φ10mm ; 20－10
φD＜φ10mm ; 40－20　
Diameter φD φ20mm
Focal length f 80.6mm
Edge thickness te 2mm
Center thickness tc 3.4mm
Back focal length fb 79.4mm
Radius of curvature r 73.6mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 30mm Diameter 36.7mm Focal Length
SLSQ-30B-35P 		30mm 36.7mm
1 week
£119.80
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 36.7mm
Edge thickness te 2mm
Center thickness tc 9.4mm
Back focal length fb 33.3mm
Radius of curvature r 32.2mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 50mm Diameter 171.2mm Focal Length
SLSQ-50B-170P 		50mm 171.2mm
6-12 weeks
£169.70
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 171.2mm
Edge thickness te 3mm
Center thickness tc 7mm
Back focal length fb 168.8mm
Radius of curvature r 156.4mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 5mm Diameter 12.3mm Focal Length
SLSQ-05B-12P 		5mm 12.3mm
6-12 weeks
£107.90
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) φD≧φ10mm ; 20－10
φD＜φ10mm ; 40－20　
Diameter φD φ5mm
Focal length f 12.3mm
Edge thickness te 1.3mm
Center thickness tc 1.8mm
Back focal length fb 11.7mm
Radius of curvature r 11.04mm
Centration ＜3′
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Biconvex Lens Synthetic Fused Silica 10mm Diameter 15.7mm Focal Length
SLSQ-10B-15P 		10mm 15.7mm
1 week
£95.60
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) φD≧φ10mm ; 20－10
φD＜φ10mm ; 40－20　
Diameter φD φ10mm
Focal length f 15.7mm
Edge thickness te 2mm
Center thickness tc 3.9mm
Back focal length fb 14.3mm
Radius of curvature r 13.8mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 20mm Diameter 120.5mm Focal Length
SLSQ-20B-120P 		20mm 120.5mm
6-12 weeks
£74.10
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) φD≧φ10mm ; 20－10
φD＜φ10mm ; 40－20　
Diameter φD φ20mm
Focal length f 120.5mm
Edge thickness te 2mm
Center thickness tc 2.9mm
Back focal length fb 119.5mm
Radius of curvature r 110.4mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 30mm Diameter 61.1mm Focal Length
SLSQ-30B-60P 		30mm 61.1mm
1 week
£117.50
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 61.1mm
Edge thickness te 2mm
Center thickness tc 6.2mm
Back focal length fb 58.9mm
Radius of curvature r 55.2mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 50mm Diameter 251mm Focal Length
SLSQ-50B-250P 		50mm 251mm
6-12 weeks
£165.10
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 251mm
Edge thickness te 3mm
Center thickness tc 5.7mm
Back focal length fb 249mm
Radius of curvature r 230mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 5mm Diameter 25.2mm Focal Length
SLSQ-05B-25P 		5mm 25.2mm
6-12 weeks
£107.90
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) φD≧φ10mm ; 20－10
φD＜φ10mm ; 40－20　
Diameter φD φ5mm
Focal length f 25.2mm
Edge thickness te 1.1mm
Center thickness tc 1.4mm
Back focal length fb 24.8mm
Radius of curvature r 23mm
Centration ＜3′
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Biconvex Lens Synthetic Fused Silica 10mm Diameter 30.5mm Focal Length
SLSQ-10B-30P 		10mm 30.5mm
1 week
£74.10
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) φD≧φ10mm ; 20－10
φD＜φ10mm ; 40－20　
Diameter φD φ10mm
Focal length f 30.5mm
Edge thickness te 2mm
Center thickness tc 2.9mm
Back focal length fb 29.5mm
Radius of curvature r 27.6mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 25mm Diameter 31.4mm Focal Length
SLSQ-25B-30P 		25mm 31.4mm
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) φD≧φ10mm ; 20－10
φD＜φ10mm ; 40－20　
Diameter φD φ25mm
Focal length f 31.4mm
Edge thickness te 2mm
Center thickness tc 8mm
Back focal length fb 28.6mm
Radius of curvature r 27.6mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 30mm Diameter 90.8mm Focal Length
SLSQ-30B-90P 		30mm 90.8mm
1 week
£108.80
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 90.8mm
Edge thickness te 2mm
Center thickness tc 4.7mm
Back focal length fb 89.2mm
Radius of curvature r 82.8mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 50.8mm Diameter 62.7mm Focal Length
SLSQ-50.8B-60P 		50.8mm 62.7mm
6-12 weeks
£217.20
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 62.7mm
Edge thickness te 2.6mm
Center thickness tc 15mm
Back focal length fb 57.3mm
Radius of curvature r 55.2mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 6mm Diameter 8.4mm Focal Length
SLSQ-06B-08P 		6mm 8.4mm
1 week
£107.90
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) φD≧φ10mm ; 20－10
φD＜φ10mm ; 40－20　
Diameter φD φ6mm
Focal length f 8.4mm
Edge thickness te 1mm
Center thickness tc 2.3mm
Back focal length fb 7.6mm
Radius of curvature r 7.36mm
Centration ＜3′
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Biconvex Lens Synthetic Fused Silica 10mm Diameter 60.4mm Focal Length
SLSQ-10B-60P 		10mm 60.4mm
1 week
£59.50
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) φD≧φ10mm ; 20－10
φD＜φ10mm ; 40－20　
Diameter φD φ10mm
Focal length f 60.4mm
Edge thickness te 2mm
Center thickness tc 2.5mm
Back focal length fb 59.6mm
Radius of curvature r 55.2mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 25mm Diameter 51mm Focal Length
SLSQ-25B-50P 		25mm 51mm
1 week
£113.00
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) φD≧φ10mm ; 20－10
φD＜φ10mm ; 40－20　
Diameter φD φ25mm
Focal length f 51mm
Edge thickness te 2mm
Center thickness tc 5.5mm
Back focal length fb 49mm
Radius of curvature r 46mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 30mm Diameter 150.6mm Focal Length
SLSQ-30B-150P 		30mm 150.6mm
1 week
£100.10
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 150.6mm
Edge thickness te 2mm
Center thickness tc 3.6mm
Back focal length fb 149.4mm
Radius of curvature r 138mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 50.8mm Diameter 91.9mm Focal Length
SLSQ-50.8B-90P 		50.8mm 91.9mm
1 week
£204.40
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 91.9mm
Edge thickness te 2.7mm
Center thickness tc 10.7mm
Back focal length fb 87.7mm
Radius of curvature r 82.8mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 6mm Diameter 15.3mm Focal Length
SLSQ-06B-15P 		6mm 15.3mm
6-12 weeks
£107.90
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) φD≧φ10mm ; 20－10
φD＜φ10mm ; 40－20　
Diameter φD φ6mm
Focal length f 15.3mm
Edge thickness te 1mm
Center thickness tc 1.7mm
Back focal length fb 14.7mm
Radius of curvature r 13.8mm
Centration ＜3′
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Biconvex Lens Synthetic Fused Silica 10mm Diameter 90.4mm Focal Length
SLSQ-10B-90P 		10mm 90.4mm
6-12 weeks
£54.90
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) φD≧φ10mm ; 20－10
φD＜φ10mm ; 40－20　
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 82.8mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 25mm Diameter 80.7mm Focal Length
SLSQ-25B-80P 		25mm 80.7mm
1 week
£86.90
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) φD≧φ10mm ; 20－10
φD＜φ10mm ; 40－20　
Diameter φD φ25mm
Focal length f 80.7mm
Edge thickness te 2mm
Center thickness tc 4.1mm
Back focal length fb 79.3mm
Radius of curvature r 73.6mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 30mm Diameter 220.5mm Focal Length
SLSQ-30B-220P 		30mm 220.5mm
1 week
£95.60
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 220.5mm
Edge thickness te 2mm
Center thickness tc 3.1mm
Back focal length fb 219.5mm
Radius of curvature r 202.4mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 50.8mm Diameter 151.3mm Focal Length
SLSQ-50.8B-150P 		50.8mm 151.3mm
6-12 weeks
£169.70
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 151.3mm
Edge thickness te 2.9mm
Center thickness tc 7.6mm
Back focal length fb 148.7mm
Radius of curvature r 138mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 6mm Diameter 30.2mm Focal Length
SLSQ-06B-30P 		6mm 30.2mm
6-12 weeks
£107.90
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) φD≧φ10mm ; 20－10
φD＜φ10mm ; 40－20　
Diameter φD φ6mm
Focal length f 30.2mm
Edge thickness te 1mm
Center thickness tc 1.3mm
Back focal length fb 29.8mm
Radius of curvature r 27.6mm
Centration ＜3′
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Biconvex Lens Synthetic Fused Silica 15mm Diameter 20.9mm Focal Length
SLSQ-15B-20P 		15mm 20.9mm
1 week
£95.60
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) φD≧φ10mm ; 20－10
φD＜φ10mm ; 40－20　
Diameter φD φ15mm
Focal length f 20.9mm
Edge thickness te 2mm
Center thickness tc 5.2mm
Back focal length fb 19.1mm
Radius of curvature r 18.4mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 25mm Diameter 120.6mm Focal Length
SLSQ-25B-120P 		25mm 120.6mm
1 week
£86.90
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) φD≧φ10mm ; 20－10
φD＜φ10mm ; 40－20　
Diameter φD φ25mm
Focal length f 120.6mm
Edge thickness te 2mm
Center thickness tc 3.4mm
Back focal length fb 119.4mm
Radius of curvature r 110.4mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 40mm Diameter 52mm Focal Length
SLSQ-40B-50P 		40mm 52mm
1 week
£138.90
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 52mm
Edge thickness te 2mm
Center thickness tc 11.2mm
Back focal length fb 48mm
Radius of curvature r 46mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 40mm Diameter 81.3mm Focal Length
SLSQ-40B-80P 		40mm 81.3mm
6-12 weeks
£138.90
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 81.3mm
Edge thickness te 2mm
Center thickness tc 7.5mm
Back focal length fb 78.7mm
Radius of curvature r 73.6mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 50.8mm Diameter 300.9mm Focal Length
SLSQ-50.8B-300P 		50.8mm 300.9mm
6-12 weeks
£156.40
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 300.9mm
Edge thickness te 3mm
Center thickness tc 5.3mm
Back focal length fb 298.8mm
Radius of curvature r 276mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 7mm Diameter 12.5mm Focal Length
SLSQ-07B-12P 		7mm 12.5mm
6-12 weeks
£86.90
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) φD≧φ10mm ; 20－10
φD＜φ10mm ; 40－20　
Diameter φD φ7mm
Focal length f 12.5mm
Edge thickness te 1.9mm
Center thickness tc 3mm
Back focal length fb 11.5mm
Radius of curvature r 11.04mm
Centration ＜3′
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Biconvex Lens Synthetic Fused Silica 15mm Diameter 40.6mm Focal Length
SLSQ-15B-40P 		15mm 40.6mm
1 week
£74.10
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) φD≧φ10mm ; 20－10
φD＜φ10mm ; 40－20　
Diameter φD φ15mm
Focal length f 40.6mm
Edge thickness te 2mm
Center thickness tc 3.5mm
Back focal length fb 39.4mm
Radius of curvature r 36.8mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 25mm Diameter 200.5mm Focal Length
SLSQ-25B-200P 		25mm 200.5mm
6-12 weeks
£86.90
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) φD≧φ10mm ; 20－10
φD＜φ10mm ; 40－20　
Diameter φD φ25mm
Focal length f 200.5mm
Edge thickness te 2mm
Center thickness tc 2.9mm
Back focal length fb 199.5mm
Radius of curvature r 184mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 40mm Diameter 121mm Focal Length
SLSQ-40B-120P 		40mm 121mm
1 week
£138.90
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 121mm
Edge thickness te 2mm
Center thickness tc 5.7mm
Back focal length fb 119mm
Radius of curvature r 110.4mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 7mm Diameter 25.4mm Focal Length
SLSQ-07B-25P 		7mm 25.4mm
6-12 weeks
£86.90
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) φD≧φ10mm ; 20－10
φD＜φ10mm ; 40－20　
Diameter φD φ7mm
Focal length f 25.4mm
Edge thickness te 1.7mm
Center thickness tc 2.2mm
Back focal length fb 24.6mm
Radius of curvature r 23mm
Centration ＜3′
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Biconvex Lens Synthetic Fused Silica 15mm Diameter 70.5mm Focal Length
SLSQ-15B-70P 		15mm 70.5mm
6-12 weeks
£69.50
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) φD≧φ10mm ; 20－10
φD＜φ10mm ; 40－20　
Diameter φD φ15mm
Focal length f 70.5mm
Edge thickness te 2mm
Center thickness tc 2.9mm
Back focal length fb 69.5mm
Radius of curvature r 64.4mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 25.4mm Diameter 36.3mm Focal Length
SLSQ-25.4B-35P 		25.4mm 36.3mm
1 week
£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 φ25.4mm
Focal length f 36.3mm
Edge thickness te 1.9mm
Center thickness tc 7.1mm
Back focal length fb 33.8mm
Radius of curvature r 32.2mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 40mm Diameter 200.7mm Focal Length
SLSQ-40B-200P 		40mm 200.7mm
1 week
£134.90
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 200.7mm
Edge thickness te 2mm
Center thickness tc 4.2mm
Back focal length fb 199.3mm
Radius of curvature r 184mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 7mm Diameter 50.3mm Focal Length
SLSQ-07B-50P 		7mm 50.3mm
6-12 weeks
£86.90
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) φD≧φ10mm ; 20－10
φD＜φ10mm ; 40－20　
Diameter φD φ7mm
Focal length f 50.3mm
Edge thickness te 1.6mm
Center thickness tc 1.8mm
Back focal length fb 49.7mm
Radius of curvature r 46mm
Centration ＜3′
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Biconvex Lens Synthetic Fused Silica 15mm Diameter 100.5mm Focal Length
SLSQ-15B-100P 		15mm 100.5mm
6-12 weeks
£60.80
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) φD≧φ10mm ; 20－10
φD＜φ10mm ; 40－20　
Diameter φD φ15mm
Focal length f 100.5mm
Edge thickness te 2mm
Center thickness tc 2.6mm
Back focal length fb 99.6mm
Radius of curvature r 92mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 25.4mm Diameter 60.9mm Focal Length
SLSQ-25.4B-60P 		25.4mm 60.9mm
6-12 weeks
£104.30
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 60.9mm
Edge thickness te 1.9mm
Center thickness tc 4.9mm
Back focal length fb 59mm
Radius of curvature r 55.2mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 50mm Diameter 53.2mm Focal Length
SLSQ-50B-50P 		50mm 53.2mm
1 week
£260.60
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 53.2mm
Edge thickness te 3mm
Center thickness tc 17.8mm
Back focal length fb 46.8mm
Radius of curvature r 46mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 8mm Diameter 12.5mm Focal Length
SLSQ-08B-12P 		8mm 12.5mm
6-12 weeks
£86.90
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) φD≧φ10mm ; 20－10
φD＜φ10mm ; 40－20　
Diameter φD φ8mm
Focal length f 12.5mm
Edge thickness te 1.5mm
Center thickness tc 3mm
Back focal length fb 11.5mm
Radius of curvature r 11.04mm
Centration ＜3′
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Biconvex Lens Synthetic Fused Silica 20mm Diameter 31mm Focal Length
SLSQ-20B-30P 		20mm 31mm
1 week
£104.30
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) φD≧φ10mm ; 20－10
φD＜φ10mm ; 40－20　
Diameter φD φ20mm
Focal length f 31mm
Edge thickness te 2mm
Center thickness tc 5.8mm
Back focal length fb 29mm
Radius of curvature r 27.6mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 25.4mm Diameter 90.7mm Focal Length
SLSQ-25.4B-90P 		25.4mm 90.7mm
6-12 weeks
£86.90
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 90.7mm
Edge thickness te 1.9mm
Center thickness tc 3.9mm
Back focal length fb 89.2mm
Radius of curvature r 82.8mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 50mm Diameter 82.1mm Focal Length
SLSQ-50B-80P 		50mm 82.1mm
6-12 weeks
£208.50
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 82.1mm
Edge thickness te 3mm
Center thickness tc 11.8mm
Back focal length fb 77.9mm
Radius of curvature r 73.6mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 8mm Diameter 25.4mm Focal Length
SLSQ-08B-25P 		8mm 25.4mm
6-12 weeks
£86.90
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) φD≧φ10mm ; 20－10
φD＜φ10mm ; 40－20　
Diameter φD φ8mm
Focal length f 25.4mm
Edge thickness te 1.5mm
Center thickness tc 2.2mm
Back focal length fb 24.6mm
Radius of curvature r 23mm
Centration ＜3′
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Biconvex Lens Synthetic Fused Silica 20mm Diameter 60.7mm Focal Length
SLSQ-20B-60P 		20mm 60.7mm
6-12 weeks
£86.90
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) φD≧φ10mm ; 20－10
φD＜φ10mm ; 40－20　
Diameter φD φ20mm
Focal length f 60.7mm
Edge thickness te 2mm
Center thickness tc 3.8mm
Back focal length fb 59.3mm
Radius of curvature r 55.2mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 25.4mm Diameter 200.5mm Focal Length
SLSQ-25.4B-200P 		25.4mm 200.5mm
1 week
£86.90
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 200.5mm
Edge thickness te 2mm
Center thickness tc 2.9mm
Back focal length fb 199.4mm
Radius of curvature r 184mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 50mm Diameter 121.5mm Focal Length
SLSQ-50B-120P 		50mm 121.5mm
6-12 weeks
£191.10
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 121.5mm
Edge thickness te 3mm
Center thickness tc 8.7mm
Back focal length fb 118.5mm
Radius of curvature r 110.4mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 5mm Diameter 8.4mm Focal Length
SLSQ-05B-08P 		5mm 8.4mm
6-12 weeks
£107.90
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) φD≧φ10mm ; 20－10
φD＜φ10mm ; 40－20　
Diameter φD φ5mm
Focal length f 8.4mm
Edge thickness te 1.4mm
Center thickness tc 2.3mm
Back focal length fb 7.6mm
Radius of curvature r 7.36mm
Centration ＜3′
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Biconvex Lens Synthetic Fused Silica 8mm Diameter 50.3mm Focal Length
SLSQ-08B-50P 		8mm 50.3mm
6-12 weeks
£86.90
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) φD≧φ10mm ; 20－10
φD＜φ10mm ; 40－20　
Diameter φD φ8mm
Focal length f 50.3mm
Edge thickness te 1.5mm
Center thickness tc 1.8mm
Back focal length fb 49.7mm
Radius of curvature r 46mm
Centration ＜3′
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Biconvex Lens Synthetic Fused Silica 20mm Diameter 90.6mm Focal Length
SLSQ-20B-90P 		20mm 90.6mm
1 week
£78.20
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) φD≧φ10mm ; 20－10
φD＜φ10mm ; 40－20　
Diameter φD φ20mm
Focal length f 90.6mm
Edge thickness te 2mm
Center thickness tc 3.2mm
Back focal length fb 89.4mm
Radius of curvature r 82.8mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 30mm Diameter 41.5mm Focal Length
SLSQ-30B-40P 		30mm 41.5mm
6-12 weeks
£119.80
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 41.5mm
Edge thickness te 2mm
Center thickness tc 8.4mm
Back focal length fb 38.5mm
Radius of curvature r 36.8mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 50mm Diameter 201.1mm Focal Length
SLSQ-50B-200P 		50mm 201.1mm
1 week
£165.10
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 201.1mm
Edge thickness te 3mm
Center thickness tc 6.4mm
Back focal length fb 198.9mm
Radius of curvature r 184mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 5mm Diameter 15.3mm Focal Length
SLSQ-05B-15P 		5mm 15.3mm
6-12 weeks
£107.90
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) φD≧φ10mm ; 20－10
φD＜φ10mm ; 40－20　
Diameter φD φ5mm
Focal length f 15.3mm
Edge thickness te 1.2mm
Center thickness tc 1.7mm
Back focal length fb 14.7mm
Radius of curvature r 13.8mm
Centration ＜3′
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Biconvex Lens Synthetic Fused Silica 10mm Diameter 20.6mm Focal Length
SLSQ-10B-20P 		10mm 20.6mm
1 week
£88.70
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) φD≧φ10mm ; 20－10
φD＜φ10mm ; 40－20　
Diameter φD φ10mm
Focal length f 20.6mm
Edge thickness te 2mm
Center thickness tc 3.4mm
Back focal length fb 19.4mm
Radius of curvature r 18.4mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 20mm Diameter 150.5mm Focal Length
SLSQ-20B-150P 		20mm 150.5mm
1 week
£74.10
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) φD≧φ10mm ; 20－10
φD＜φ10mm ; 40－20　
Diameter φD φ20mm
Focal length f 150.5mm
Edge thickness te 2mm
Center thickness tc 2.7mm
Back focal length fb 149.5mm
Radius of curvature r 138mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 30mm Diameter 71mm Focal Length
SLSQ-30B-70P 		30mm 71mm
1 week
£113.00
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 71mm
Edge thickness te 2mm
Center thickness tc 5.5mm
Back focal length fb 69mm
Radius of curvature r 64.4mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 50mm Diameter 300.9mm Focal Length
SLSQ-50B-300P 		50mm 300.9mm
6-12 weeks
£156.40
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 300.9mm
Edge thickness te 3mm
Center thickness tc 5.3mm
Back focal length fb 299.1mm
Radius of curvature r 276mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 5mm Diameter 30.2mm Focal Length
SLSQ-05B-30P 		5mm 30.2mm
6-12 weeks
£107.90
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) φD≧φ10mm ; 20－10
φD＜φ10mm ; 40－20　
Diameter φD φ5mm
Focal length f 30.2mm
Edge thickness te 1.1mm
Center thickness tc 1.3mm
Back focal length fb 29.8mm
Radius of curvature r 27.6mm
Centration ＜3′
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Biconvex Lens Synthetic Fused Silica 10mm Diameter 40.5mm Focal Length
SLSQ-10B-40P 		10mm 40.5mm
6-12 weeks
£69.50
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) φD≧φ10mm ; 20－10
φD＜φ10mm ; 40－20　
Diameter φD φ10mm
Focal length f 40.5mm
Edge thickness te 2mm
Center thickness tc 2.7mm
Back focal length fb 39.5mm
Radius of curvature r 36.8mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 25mm Diameter 36.3mm Focal Length
SLSQ-25B-35P 		25mm 36.3mm
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) φD≧φ10mm ; 20－10
φD＜φ10mm ; 40－20　
Diameter φD φ25mm
Focal length f 36.3mm
Edge thickness te 2mm
Center thickness tc 7.1mm
Back focal length fb 33.7mm
Radius of curvature r 32.2mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 30mm Diameter 100.8mm Focal Length
SLSQ-30B-100P 		30mm 100.8mm
1 week
£104.30
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 100.8mm
Edge thickness te 2mm
Center thickness tc 4.5mm
Back focal length fb 99.2mm
Radius of curvature r 92mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 50.8mm Diameter 72.3mm Focal Length
SLSQ-50.8B-70P 		50.8mm 72.3mm
6-12 weeks
£213.10
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 72.3mm
Edge thickness te 2.7mm
Center thickness tc 13.1mm
Back focal length fb 67.7mm
Radius of curvature r 64.4mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 6mm Diameter 10.4mm Focal Length
SLSQ-06B-10P 		6mm 10.4mm
6-12 weeks
£107.90
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) φD≧φ10mm ; 20－10
φD＜φ10mm ; 40－20　
Diameter φD φ6mm
Focal length f 10.4mm
Edge thickness te 1mm
Center thickness tc 2mm
Back focal length fb 9.6mm
Radius of curvature r 9.2mm
Centration ＜3′
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Biconvex Lens Synthetic Fused Silica 10mm Diameter 70.4mm Focal Length
SLSQ-10B-70P 		10mm 70.4mm
6-12 weeks
£59.50
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) φD≧φ10mm ; 20－10
φD＜φ10mm ; 40－20　
Diameter φD φ10mm
Focal length f 70.4mm
Edge thickness te 2mm
Center thickness tc 2.4mm
Back focal length fb 69.6mm
Radius of curvature r 64.4mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 25mm Diameter 60.8mm Focal Length
SLSQ-25B-60P 		25mm 60.8mm
1 week
£104.30
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) φD≧φ10mm ; 20－10
φD＜φ10mm ; 40－20　
Diameter φD φ25mm
Focal length f 60.8mm
Edge thickness te 2mm
Center thickness tc 4.9mm
Back focal length fb 59.2mm
Radius of curvature r 55.2mm
Centration ＜1′
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Biconvex Lens Synthetic Fused Silica 30mm Diameter 170.6mm Focal Length
SLSQ-30B-170P 		30mm 170.6mm
6-12 weeks
£95.60
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 170.6mm
Edge thickness te 2mm
Center thickness tc 3.4mm
Back focal length fb 169.4mm
Radius of curvature r 156.4mm
Centration ＜1′

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