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Fused Silica, Plano Concave Lenses (Uncoated)

SLSQ-N

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Fused Silica, Plano Concave Lenses (Uncoated)
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SLSQ-N
Synthetic fused silica Lens for wavelengths less than 350nm ultraviolet light.
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Plano Concave Lens Synthetic Fused Silica 20mm Diameter −25mm Focal Length
SLSQ-20-25N 		20mm 25mm
in stock
$135.00
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 −25mm
Edge thickness te 7.8mm
Center thickness tc 2mm
Back focal length fb −26.4mm
Radius of curvature r 11.5mm
Centration ＜1′
i
Plano Concave Lens Synthetic Fused Silica 25.4mm Diameter −100mm Focal Length
SLSQ-25.4-100N 		25.4mm 100mm
in stock
$130.00
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 −100mm
Edge thickness te 3.8mm
Center thickness tc 2mm
Back focal length fb −101.4mm
Radius of curvature r 46mm
Centration ＜1′
i
Plano Concave Lens Synthetic Fused Silica 50mm Diameter −200mm Focal Length
SLSQ-50-200N 		50mm 200mm
6-12 weeks
$259.00
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 −200mm
Edge thickness te 6.5mm
Center thickness tc 3mm
Back focal length fb −202.1mm
Radius of curvature r 92mm
Centration ＜1′
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Plano Concave Lens Synthetic Fused Silica 20mm Diameter −50mm Focal Length
SLSQ-20-50N 		20mm 50mm
in stock
$110.00
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 −50mm
Edge thickness te 4.3mm
Center thickness tc 2mm
Back focal length fb −51.4mm
Radius of curvature r 23mm
Centration ＜1′
i
Plano Concave Lens Synthetic Fused Silica 30mm Diameter −35mm Focal Length
SLSQ-30-35N 		30mm 35mm
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 φ30mm
Focal length f −35mm
Edge thickness te 12.3mm
Center thickness tc 2mm
Back focal length fb −36.4mm
Radius of curvature r 16.1mm
Centration ＜1′
i
Plano Concave Lens Synthetic Fused Silica 50mm Diameter −300mm Focal Length
SLSQ-50-300N 		50mm 300mm
6-12 weeks
$259.00
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 −300mm
Edge thickness te 5.3mm
Center thickness tc 3mm
Back focal length fb −302.1mm
Radius of curvature r 138mm
Centration ＜1′
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Plano Concave Lens Synthetic Fused Silica 20mm Diameter −80mm Focal Length
SLSQ-20-80N 		20mm 80mm
6-12 weeks
$110.00
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 −80mm
Edge thickness te 3.4mm
Center thickness tc 2mm
Back focal length fb −81.4mm
Radius of curvature r 36.8mm
Centration ＜1′
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Plano Concave Lens Synthetic Fused Silica 30mm Diameter −60mm Focal Length
SLSQ-30-60N 		30mm 60mm
in stock
$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 φ30mm
Focal length f −60mm
Edge thickness te 6.4mm
Center thickness tc 2mm
Back focal length fb −61.4mm
Radius of curvature r 27.6mm
Centration ＜1′
i
Plano Concave Lens Synthetic Fused Silica 50.8mm Diameter −90mm Focal Length
SLSQ-50.8-90N 		50.8mm 90mm
in stock
$325.00
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 −90mm
Edge thickness te 11.7mm
Center thickness tc 3mm
Back focal length fb −92.1mm
Radius of curvature r 41.4mm
Centration ＜1′
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Plano Concave Lens Synthetic Fused Silica 10mm Diameter −25mm Focal Length
SLSQ-10-25N 		10mm 25mm
in stock
$100.00
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 −25mm
Edge thickness te 3.1mm
Center thickness tc 2mm
Back focal length fb −26.4mm
Radius of curvature r 11.5mm
Centration ＜1′
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Plano Concave Lens Synthetic Fused Silica 20mm Diameter −120mm Focal Length
SLSQ-20-120N 		20mm 120mm
6-12 weeks
$110.00
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 −120mm
Edge thickness te 2.9mm
Center thickness tc 2mm
Back focal length fb −121.4mm
Radius of curvature r 55.2mm
Centration ＜1′
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Plano Concave Lens Synthetic Fused Silica 30mm Diameter −90mm Focal Length
SLSQ-30-90N 		30mm 90mm
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 φ30mm
Focal length f −90mm
Edge thickness te 4.8mm
Center thickness tc 2mm
Back focal length fb −91.4mm
Radius of curvature r 41.4mm
Centration ＜1′
i
Plano Concave Lens Synthetic Fused Silica 50.8mm Diameter −200mm Focal Length
SLSQ-50.8-200N 		50.8mm 200mm
in stock
$259.00
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 −200mm
Edge thickness te 6.6mm
Center thickness tc 3mm
Back focal length fb −202.1mm
Radius of curvature r 92mm
Centration ＜1′
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Plano Concave Lens Synthetic Fused Silica 10mm Diameter −50mm Focal Length
SLSQ-10-50N 		10mm 50mm
6-12 weeks
$90.00
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 −50mm
Edge thickness te 2.6mm
Center thickness tc 2mm
Back focal length fb −51.4mm
Radius of curvature r 23mm
Centration ＜1′
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Plano Concave Lens Synthetic Fused Silica 25mm Diameter −35mm Focal Length
SLSQ-25-35N 		25mm 35mm
in stock
$144.00
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 −35mm
Edge thickness te 8mm
Center thickness tc 2mm
Back focal length fb −36.4mm
Radius of curvature r 16.1mm
Centration ＜1′
i
Plano Concave Lens Synthetic Fused Silica 30mm Diameter −150mm Focal Length
SLSQ-30-150N 		30mm 150mm
2 weeks
$130.00
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 −150mm
Edge thickness te 3.7mm
Center thickness tc 2mm
Back focal length fb −151.4mm
Radius of curvature r 69mm
Centration ＜1′
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Plano Concave Lens Synthetic Fused Silica 10mm Diameter −80mm Focal Length
SLSQ-10-80N 		10mm 80mm
6-12 weeks
$90.00
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 −80mm
Edge thickness te 2.3mm
Center thickness tc 2mm
Back focal length fb −81.4mm
Radius of curvature r 36.8mm
Centration ＜1′
i
Plano Concave Lens Synthetic Fused Silica 25mm Diameter −60mm Focal Length
SLSQ-25-60N 		25mm 60mm
in stock
$144.00
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 −60mm
Edge thickness te 5mm
Center thickness tc 2mm
Back focal length fb −61.4mm
Radius of curvature r 27.6mm
Centration ＜1′
i
Plano Concave Lens Synthetic Fused Silica 30mm Diameter −220mm Focal Length
SLSQ-30-220N 		30mm 220mm
2 weeks
$130.00
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 −220mm
Edge thickness te 3.1mm
Center thickness tc 2mm
Back focal length fb −221.4mm
Radius of curvature r 101.2mm
Centration ＜1′
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Plano Concave Lens Synthetic Fused Silica 12.7mm Diameter −20mm Focal Length
SLSQ-12.7-20N 		12.7mm 20mm
2 weeks
$100.00
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 φ12.7mm
Focal length f −20mm
Edge thickness te 4.5mm
Center thickness tc 2mm
Back focal length fb −21.4mm
Radius of curvature r 9.2mm
Centration ＜1′
i
Plano Concave Lens Synthetic Fused Silica 25mm Diameter −90mm Focal Length
SLSQ-25-90N 		25mm 90mm
6-12 weeks
$130.00
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 −90mm
Edge thickness te 3.9mm
Center thickness tc 2mm
Back focal length fb −91.4mm
Radius of curvature r 41.4mm
Centration ＜1′
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Plano Concave Lens Synthetic Fused Silica 40mm Diameter −60mm Focal Length
SLSQ-40-60N 		40mm 60mm
2 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 −60mm
Edge thickness te 10.6mm
Center thickness tc 2mm
Back focal length fb −61.4mm
Radius of curvature r 27.6mm
Centration ＜1′
i
Plano Concave Lens Synthetic Fused Silica 12.7mm Diameter −40mm Focal Length
SLSQ-12.7-40N 		12.7mm 40mm
in stock
$90.00
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 φ12.7mm
Focal length f −40mm
Edge thickness te 3.1mm
Center thickness tc 2mm
Back focal length fb −41.4mm
Radius of curvature r 18.40mm
Centration ＜1′
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Plano Concave Lens Synthetic Fused Silica 25mm Diameter −150mm Focal Length
SLSQ-25-150N 		25mm 150mm
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 φ25mm
Focal length f −150mm
Edge thickness te 3.1mm
Center thickness tc 2mm
Back focal length fb −151.4mm
Radius of curvature r 69mm
Centration ＜1′
i
Plano Concave Lens Synthetic Fused Silica 40mm Diameter −120mm Focal Length
SLSQ-40-120N 		40mm 120mm
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 φ40mm
Focal length f −120mm
Edge thickness te 5.8mm
Center thickness tc 2mm
Back focal length fb −121.4mm
Radius of curvature r 55.2mm
Centration ＜1′
i
Plano Concave Lens Synthetic Fused Silica 15mm Diameter −30mm Focal Length
SLSQ-15-30N 		15mm 30mm
in stock
$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 φ15mm
Focal length f −30mm
Edge thickness te 4.2mm
Center thickness tc 2mm
Back focal length fb −31.4mm
Radius of curvature r 13.8mm
Centration ＜1′
i
Plano Concave Lens Synthetic Fused Silica 25.4mm Diameter −30mm Focal Length
SLSQ-25.4-30N 		25.4mm 30mm
in stock
$144.00
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 −30mm
Edge thickness te 10.4mm
Center thickness tc 2mm
Back focal length fb −31.4mm
Radius of curvature r 13.8mm
Centration ＜1′
i
Plano Concave Lens Synthetic Fused Silica 40mm Diameter −250mm Focal Length
SLSQ-40-250N 		40mm 250mm
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 φ40mm
Focal length f −250mm
Edge thickness te 3.8mm
Center thickness tc 2mm
Back focal length fb −251.4mm
Radius of curvature r 115mm
Centration ＜1′
i
Plano Concave Lens Synthetic Fused Silica 15mm Diameter −60mm Focal Length
SLSQ-15-60N 		15mm 60mm
6-12 weeks
$100.00
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 −60mm
Edge thickness te 3mm
Center thickness tc 2mm
Back focal length fb −61.4mm
Radius of curvature r 27.6mm
Centration ＜1′
i
Plano Concave Lens Synthetic Fused Silica 25.4mm Diameter −50mm Focal Length
SLSQ-25.4-50N 		25.4mm 50mm
in stock
$144.00
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 −50mm
Edge thickness te 5.8mm
Center thickness tc 2mm
Back focal length fb −51.4mm
Radius of curvature r 23mm
Centration ＜1′
i
Plano Concave Lens Synthetic Fused Silica 50mm Diameter −90mm Focal Length
SLSQ-50-90N 		50mm 90mm
6-12 weeks
$325.00
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 −90mm
Edge thickness te 11.4mm
Center thickness tc 3mm
Back focal length fb −92.1mm
Radius of curvature r 41.4mm
Centration ＜1′
i
Plano Concave Lens Synthetic Fused Silica 15mm Diameter −90mm Focal Length
SLSQ-15-90N 		15mm 90mm
6-12 weeks
$100.00
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 −90mm
Edge thickness te 2.7mm
Center thickness tc 2mm
Back focal length fb −91.4mm
Radius of curvature r 41.4mm
Centration ＜1′
i
Plano Concave Lens Synthetic Fused Silica 25.4mm Diameter −80mm Focal Length
SLSQ-25.4-80N 		25.4mm 80mm
6-12 weeks
$144.00
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 −80mm
Edge thickness te 4.3mm
Center thickness tc 2mm
Back focal length fb −81.4mm
Radius of curvature r 36.8mm
Centration ＜1′
i
Plano Concave Lens Synthetic Fused Silica 50mm Diameter −150mm Focal Length
SLSQ-50-150N 		50mm 150mm
in stock
$259.00
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 −150mm
Edge thickness te 7.7mm
Center thickness tc 3mm
Back focal length fb −152.1mm
Radius of curvature r 69mm
Centration ＜1′
i
Plano Concave Lens Synthetic Fused Silica 20mm Diameter −30mm Focal Length
SLSQ-20-30N 		20mm 30mm
in stock
$135.00
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 −30mm
Edge thickness te 6.3mm
Center thickness tc 2mm
Back focal length fb −31.4mm
Radius of curvature r 13.8mm
Centration ＜1′
i
Plano Concave Lens Synthetic Fused Silica 25.4mm Diameter −150mm Focal Length
SLSQ-25.4-150N 		25.4mm 150mm
2 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 −150mm
Edge thickness te 3.2mm
Center thickness tc 2mm
Back focal length fb −151.4mm
Radius of curvature r 69mm
Centration ＜1′
i
Plano Concave Lens Synthetic Fused Silica 50mm Diameter −220mm Focal Length
SLSQ-50-220N 		50mm 220mm
in stock
$259.00
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 −220mm
Edge thickness te 6.1mm
Center thickness tc 3mm
Back focal length fb −222.1mm
Radius of curvature r 101.2mm
Centration ＜1′
i
Plano Concave Lens Synthetic Fused Silica 20mm Diameter −60mm Focal Length
SLSQ-20-60N 		20mm 60mm
6-12 weeks
$110.00
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 −60mm
Edge thickness te 3.9mm
Center thickness tc 2mm
Back focal length fb −61.4mm
Radius of curvature r 27.6mm
Centration ＜1′
i
Plano Concave Lens Synthetic Fused Silica 30mm Diameter −40mm Focal Length
SLSQ-30-40N 		30mm 40mm
2 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 φ30mm
Focal length f −40mm
Edge thickness te 9.7mm
Center thickness tc 2mm
Back focal length fb −41.4mm
Radius of curvature r 18.4mm
Centration ＜1′
i
Plano Concave Lens Synthetic Fused Silica 50.8mm Diameter −70mm Focal Length
SLSQ-50.8-70N 		50.8mm 70mm
in stock
$325.00
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 −70mm
Edge thickness te 15.4mm
Center thickness tc 3mm
Back focal length fb −72.1mm
Radius of curvature r 32.2mm
Centration ＜1′
i
Plano Concave Lens Synthetic Fused Silica 10mm Diameter −15mm Focal Length
SLSQ-10-15N 		10mm 15mm
in stock
$100.00
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 −15mm
Edge thickness te 4.1mm
Center thickness tc 2mm
Back focal length fb −16.4mm
Radius of curvature r 6.9mm
Centration ＜1′
i
Plano Concave Lens Synthetic Fused Silica 20mm Diameter −90mm Focal Length
SLSQ-20-90N 		20mm 90mm
6-12 weeks
$110.00
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 −90mm
Edge thickness te 3.2mm
Center thickness tc 2mm
Back focal length fb −91.4mm
Radius of curvature r 41.4mm
Centration ＜1′
i
Plano Concave Lens Synthetic Fused Silica 30mm Diameter −70mm Focal Length
SLSQ-30-70N 		30mm 70mm
2 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 φ30mm
Focal length f −70mm
Edge thickness te 5.7mm
Center thickness tc 2mm
Back focal length fb −71.4mm
Radius of curvature r 32.2mm
Centration ＜1′
i
Plano Concave Lens Synthetic Fused Silica 50.8mm Diameter −100mm Focal Length
SLSQ-50.8-100N 		50.8mm 100mm
in stock
$289.00
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 −100mm
Edge thickness te 10.6mm
Center thickness tc 3mm
Back focal length fb −102.1mm
Radius of curvature r 46mm
Centration ＜1′
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Plano Concave Lens Synthetic Fused Silica 10mm Diameter −30mm Focal Length
SLSQ-10-30N 		10mm 30mm
in stock
$90.00
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 −30mm
Edge thickness te 2.9mm
Center thickness tc 2mm
Back focal length fb −31.4mm
Radius of curvature r 13.8mm
Centration ＜1′
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Plano Concave Lens Synthetic Fused Silica 20mm Diameter −150mm Focal Length
SLSQ-20-150N 		20mm 150mm
6-12 weeks
$110.00
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 −150mm
Edge thickness te 2.7mm
Center thickness tc 2mm
Back focal length fb −151.4mm
Radius of curvature r 69mm
Centration ＜1′
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Plano Concave Lens Synthetic Fused Silica 30mm Diameter −100mm Focal Length
SLSQ-30-100N 		30mm 100mm
in stock
$145.00
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 −100mm
Edge thickness te 4.5mm
Center thickness tc 2mm
Back focal length fb −101.4mm
Radius of curvature r 46mm
Centration ＜1′
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Plano Concave Lens Synthetic Fused Silica 50.8mm Diameter −250mm Focal Length
SLSQ-50.8-250N 		50.8mm 250mm
in stock
$259.00
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 −250mm
Edge thickness te 5.8mm
Center thickness tc 3mm
Back focal length fb −252.1mm
Radius of curvature r 115mm
Centration ＜1′
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Plano Concave Lens Synthetic Fused Silica 10mm Diameter −60mm Focal Length
SLSQ-10-60N 		10mm 60mm
6-12 weeks
$90.00
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 −60mm
Edge thickness te 2.5mm
Center thickness tc 2mm
Back focal length fb −61.4mm
Radius of curvature r 27.6mm
Centration ＜1′
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Plano Concave Lens Synthetic Fused Silica 25mm Diameter −40mm Focal Length
SLSQ-25-40N 		25mm 40mm
6-12 weeks
$144.00
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 −40mm
Edge thickness te 6.9mm
Center thickness tc 2mm
Back focal length fb −41.4mm
Radius of curvature r 18.4mm
Centration ＜1′
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Plano Concave Lens Synthetic Fused Silica 30mm Diameter −170mm Focal Length
SLSQ-30-170N 		30mm 170mm
2 weeks
$130.00
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 −170mm
Edge thickness te 3.5mm
Center thickness tc 2mm
Back focal length fb −171.4mm
Radius of curvature r 78.2mm
Centration ＜1′
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Plano Concave Lens Synthetic Fused Silica 10mm Diameter −90mm Focal Length
SLSQ-10-90N 		10mm 90mm
6-12 weeks
$90.00
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 −90mm
Edge thickness te 2.3mm
Center thickness tc 2mm
Back focal length fb −91.4mm
Radius of curvature r 41.4mm
Centration ＜1′
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Plano Concave Lens Synthetic Fused Silica 25mm Diameter −70mm Focal Length
SLSQ-25-70N 		25mm 70mm
6-12 weeks
$144.00
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 −70mm
Edge thickness te 4.5mm
Center thickness tc 2mm
Back focal length fb −71.4mm
Radius of curvature r 32.2mm
Centration ＜1′
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Plano Concave Lens Synthetic Fused Silica 30mm Diameter −250mm Focal Length
SLSQ-30-250N 		30mm 250mm
2 weeks
$130.00
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 −250mm
Edge thickness te 3mm
Center thickness tc 2mm
Back focal length fb −251.4mm
Radius of curvature r 115mm
Centration ＜1′
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Plano Concave Lens Synthetic Fused Silica 12.7mm Diameter −25mm Focal Length
SLSQ-12.7-25N 		12.7mm 25mm
in stock
$100.00
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 φ12.7mm
Focal length f −25mm
Edge thickness te 3.9mm
Center thickness tc 2mm
Back focal length fb −26.4mm
Radius of curvature r 11.50mm
Centration ＜1′
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Plano Concave Lens Synthetic Fused Silica 25mm Diameter −100mm Focal Length
SLSQ-25-100N 		25mm 100mm
in stock
$130.00
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 −100mm
Edge thickness te 3.7mm
Center thickness tc 2mm
Back focal length fb −101.4mm
Radius of curvature r 46mm
Centration ＜1′
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Plano Concave Lens Synthetic Fused Silica 40mm Diameter −70mm Focal Length
SLSQ-40-70N 		40mm 70mm
in stock
$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 −70mm
Edge thickness te 9mm
Center thickness tc 2mm
Back focal length fb −71.4mm
Radius of curvature r 32.2mm
Centration ＜1′
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Plano Concave Lens Synthetic Fused Silica 15mm Diameter −20mm Focal Length
SLSQ-15-20N 		15mm 20mm
2 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 φ15mm
Focal length f −20mm
Edge thickness te 5.9mm
Center thickness tc 2mm
Back focal length fb −21.4mm
Radius of curvature r 9.2mm
Centration ＜1′
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Plano Concave Lens Synthetic Fused Silica 25mm Diameter −170mm Focal Length
SLSQ-25-170N 		25mm 170mm
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 φ25mm
Focal length f −170mm
Edge thickness te 3mm
Center thickness tc 2mm
Back focal length fb −171.4mm
Radius of curvature r 78.2mm
Centration ＜1′
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Plano Concave Lens Synthetic Fused Silica 40mm Diameter −150mm Focal Length
SLSQ-40-150N 		40mm 150mm
2 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 φ40mm
Focal length f −150mm
Edge thickness te 5mm
Center thickness tc 2mm
Back focal length fb −151.4mm
Radius of curvature r 69mm
Centration ＜1′
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Plano Concave Lens Synthetic Fused Silica 15mm Diameter −40mm Focal Length
SLSQ-15-40N 		15mm 40mm
2 weeks
$100.00
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 −40mm
Edge thickness te 3.6mm
Center thickness tc 2mm
Back focal length fb −41.4mm
Radius of curvature r 18.4mm
Centration ＜1′
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Plano Concave Lens Synthetic Fused Silica 25.4mm Diameter −35mm Focal Length
SLSQ-25.4-35N 		25.4mm 35mm
in stock
$144.00
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 −35mm
Edge thickness te 8.2mm
Center thickness tc 2mm
Back focal length fb −36.4mm
Radius of curvature r 16.1mm
Centration ＜1′
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Plano Concave Lens Synthetic Fused Silica 50mm Diameter −70mm Focal Length
SLSQ-50-70N 		50mm 70mm
2 weeks
$325.00
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 −70mm
Edge thickness te 14.9mm
Center thickness tc 3mm
Back focal length fb −72.1mm
Radius of curvature r 32.2mm
Centration ＜1′
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Plano Concave Lens Synthetic Fused Silica 15mm Diameter −70mm Focal Length
SLSQ-15-70N 		15mm 70mm
6-12 weeks
$100.00
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 −70mm
Edge thickness te 2.9mm
Center thickness tc 2mm
Back focal length fb −71.4mm
Radius of curvature r 32.2mm
Centration ＜1′
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Plano Concave Lens Synthetic Fused Silica 25.4mm Diameter −60mm Focal Length
SLSQ-25.4-60N 		25.4mm 60mm
in stock
$144.00
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 −60mm
Edge thickness te 5.1mm
Center thickness tc 2mm
Back focal length fb −61.4mm
Radius of curvature r 27.6mm
Centration ＜1′
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Plano Concave Lens Synthetic Fused Silica 50mm Diameter −100mm Focal Length
SLSQ-50-100N 		50mm 100mm
6-12 weeks
$289.00
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 −100mm
Edge thickness te 10.4mm
Center thickness tc 3mm
Back focal length fb −102.1mm
Radius of curvature r 46mm
Centration ＜1′
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Plano Concave Lens Synthetic Fused Silica 15mm Diameter −100mm Focal Length
SLSQ-15-100N 		15mm 100mm
6-12 weeks
$100.00
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 −100mm
Edge thickness te 2.6mm
Center thickness tc 2mm
Back focal length fb −101.4mm
Radius of curvature r 46mm
Centration ＜1′
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Plano Concave Lens Synthetic Fused Silica 25.4mm Diameter −90mm Focal Length
SLSQ-25.4-90N 		25.4mm 90mm
in stock
$130.00
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 −90mm
Edge thickness te 4mm
Center thickness tc 2mm
Back focal length fb −91.4mm
Radius of curvature r 41.4mm
Centration ＜1′
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Plano Concave Lens Synthetic Fused Silica 50mm Diameter −170mm Focal Length
SLSQ-50-170N 		50mm 170mm
6-12 weeks
$259.00
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 −170mm
Edge thickness te 7.1mm
Center thickness tc 3mm
Back focal length fb −172.1mm
Radius of curvature r 78.2mm
Centration ＜1′
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Plano Concave Lens Synthetic Fused Silica 20mm Diameter −40mm Focal Length
SLSQ-20-40N 		20mm 40mm
in stock
$135.00
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 −40mm
Edge thickness te 5mm
Center thickness tc 2mm
Back focal length fb −41.4mm
Radius of curvature r 18.4mm
Centration ＜1′
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Plano Concave Lens Synthetic Fused Silica 25.4mm Diameter −200mm Focal Length
SLSQ-25.4-200N 		25.4mm 200mm
in stock
$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 −200mm
Edge thickness te 2.9mm
Center thickness tc 2mm
Back focal length fb −201.4mm
Radius of curvature r 92mm
Centration ＜1′
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Plano Concave Lens Synthetic Fused Silica 50mm Diameter −250mm Focal Length
SLSQ-50-250N 		50mm 250mm
6-12 weeks
$259.00
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 −250mm
Edge thickness te 5.8mm
Center thickness tc 3mm
Back focal length fb −252.1mm
Radius of curvature r 115mm
Centration ＜1′
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Plano Concave Lens Synthetic Fused Silica 20mm Diameter −70mm Focal Length
SLSQ-20-70N 		20mm 70mm
6-12 weeks
$110.00
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 −70mm
Edge thickness te 3.6mm
Center thickness tc 2mm
Back focal length fb −71.4mm
Radius of curvature r 32.2mm
Centration ＜1′
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Plano Concave Lens Synthetic Fused Silica 30mm Diameter −50mm Focal Length
SLSQ-30-50N 		30mm 50mm
2 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 φ30mm
Focal length f −50mm
Edge thickness te 7.6mm
Center thickness tc 2mm
Back focal length fb −51.4mm
Radius of curvature r 23mm
Centration ＜1′
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Plano Concave Lens Synthetic Fused Silica 50.8mm Diameter −80mm Focal Length
SLSQ-50.8-80N 		50.8mm 80mm
in stock
$325.00
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 −80mm
Edge thickness te 13.2mm
Center thickness tc 3mm
Back focal length fb −82.1mm
Radius of curvature r 36.8mm
Centration ＜1′
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Plano Concave Lens Synthetic Fused Silica 10mm Diameter −20mm Focal Length
SLSQ-10-20N 		10mm 20mm
in stock
$100.00
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 −20mm
Edge thickness te 3.5mm
Center thickness tc 2mm
Back focal length fb −21.4mm
Radius of curvature r 9.2mm
Centration ＜1′
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Plano Concave Lens Synthetic Fused Silica 20mm Diameter −100mm Focal Length
SLSQ-20-100N 		20mm 100mm
2 weeks
$110.00
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 −100mm
Edge thickness te 3.1mm
Center thickness tc 2mm
Back focal length fb −101.4mm
Radius of curvature r 46mm
Centration ＜1′
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Plano Concave Lens Synthetic Fused Silica 30mm Diameter −80mm Focal Length
SLSQ-30-80N 		30mm 80mm
in stock
$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 φ30mm
Focal length f −80mm
Edge thickness te 5.2mm
Center thickness tc 2mm
Back focal length fb −81.4mm
Radius of curvature r 36.8mm
Centration ＜1′
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Plano Concave Lens Synthetic Fused Silica 50.8mm Diameter −150mm Focal Length
SLSQ-50.8-150N 		50.8mm 150mm
in stock
$259.00
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 −150mm
Edge thickness te 7.8mm
Center thickness tc 3mm
Back focal length fb −152.1mm
Radius of curvature r 69mm
Centration ＜1′
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Plano Concave Lens Synthetic Fused Silica 10mm Diameter −40mm Focal Length
SLSQ-10-40N 		10mm 40mm
2 weeks
$90.00
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 −40mm
Edge thickness te 2.7mm
Center thickness tc 2mm
Back focal length fb −41.4mm
Radius of curvature r 18.4mm
Centration ＜1′
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Plano Concave Lens Synthetic Fused Silica 25mm Diameter −30mm Focal Length
SLSQ-25-30N 		25mm 30mm
in stock
$144.00
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 −30mm
Edge thickness te 10mm
Center thickness tc 2mm
Back focal length fb −31.4mm
Radius of curvature r 13.8mm
Centration ＜1′
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Plano Concave Lens Synthetic Fused Silica 30mm Diameter −120mm Focal Length
SLSQ-30-120N 		30mm 120mm
2 weeks
$130.00
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 −120mm
Edge thickness te 4.1mm
Center thickness tc 2mm
Back focal length fb −121.4mm
Radius of curvature r 55.2mm
Centration ＜1′
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Plano Concave Lens Synthetic Fused Silica 50.8mm Diameter −300mm Focal Length
SLSQ-50.8-300N 		50.8mm 300mm
in stock
$259.00
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 −300mm
Edge thickness te 5.4mm
Center thickness tc 3mm
Back focal length fb −302.1mm
Radius of curvature r 138mm
Centration ＜1′
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Plano Concave Lens Synthetic Fused Silica 10mm Diameter −70mm Focal Length
SLSQ-10-70N 		10mm 70mm
6-12 weeks
$90.00
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 −70mm
Edge thickness te 2.4mm
Center thickness tc 2mm
Back focal length fb −71.4mm
Radius of curvature r 32.2mm
Centration ＜1′
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Plano Concave Lens Synthetic Fused Silica 25mm Diameter −50mm Focal Length
SLSQ-25-50N 		25mm 50mm
in stock
$144.00
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 −50mm
Edge thickness te 5.7mm
Center thickness tc 2mm
Back focal length fb −51.4mm
Radius of curvature r 23mm
Centration ＜1′
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Plano Concave Lens Synthetic Fused Silica 30mm Diameter −200mm Focal Length
SLSQ-30-200N 		30mm 200mm
2 weeks
$130.00
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 −200mm
Edge thickness te 3.2mm
Center thickness tc 2mm
Back focal length fb −201.4mm
Radius of curvature r 92mm
Centration ＜1′
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Plano Concave Lens Synthetic Fused Silica 10mm Diameter −100mm Focal Length
SLSQ-10-100N 		10mm 100mm
6-12 weeks
$90.00
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 −100mm
Edge thickness te 2.3mm
Center thickness tc 2mm
Back focal length fb −101.4mm
Radius of curvature r 46mm
Centration ＜1′
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Plano Concave Lens Synthetic Fused Silica 25mm Diameter −80mm Focal Length
SLSQ-25-80N 		25mm 80mm
in stock
$144.00
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 −80mm
Edge thickness te 4.2mm
Center thickness tc 2mm
Back focal length fb −81.4mm
Radius of curvature r 36.8mm
Centration ＜1′
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Plano Concave Lens Synthetic Fused Silica 40mm Diameter −50mm Focal Length
SLSQ-40-50N 		40mm 50mm
2 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 −50mm
Edge thickness te 13.6mm
Center thickness tc 2mm
Back focal length fb −51.4mm
Radius of curvature r 23mm
Centration ＜1′
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Plano Concave Lens Synthetic Fused Silica 12.7mm Diameter −30mm Focal Length
SLSQ-12.7-30N 		12.7mm 30mm
in stock
$90.00
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 φ12.7mm
Focal length f −30mm
Edge thickness te 3.5mm
Center thickness tc 2mm
Back focal length fb −31.4mm
Radius of curvature r 13.80mm
Centration ＜1′
i
Plano Concave Lens Synthetic Fused Silica 25mm Diameter −120mm Focal Length
SLSQ-25-120N 		25mm 120mm
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 φ25mm
Focal length f −120mm
Edge thickness te 3.4mm
Center thickness tc 2mm
Back focal length fb −121.4mm
Radius of curvature r 55.2mm
Centration ＜1′
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Plano Concave Lens Synthetic Fused Silica 40mm Diameter −100mm Focal Length
SLSQ-40-100N 		40mm 100mm
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 φ40mm
Focal length f −100mm
Edge thickness te 6.6mm
Center thickness tc 2mm
Back focal length fb −101.4mm
Radius of curvature r 46mm
Centration ＜1′
i
Plano Concave Lens Synthetic Fused Silica 15mm Diameter −25mm Focal Length
SLSQ-15-25N 		15mm 25mm
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 φ15mm
Focal length f −25mm
Edge thickness te 4.8mm
Center thickness tc 2mm
Back focal length fb −26.4mm
Radius of curvature r 11.5mm
Centration ＜1′
i
Plano Concave Lens Synthetic Fused Silica 25mm Diameter −200mm Focal Length
SLSQ-25-200N 		25mm 200mm
in stock
$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 φ25mm
Focal length f −200mm
Edge thickness te 2.9mm
Center thickness tc 2mm
Back focal length fb −201.4mm
Radius of curvature r 92mm
Centration ＜1′
i
Plano Concave Lens Synthetic Fused Silica 40mm Diameter −200mm Focal Length
SLSQ-40-200N 		40mm 200mm
2 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 φ40mm
Focal length f −200mm
Edge thickness te 4.2mm
Center thickness tc 2mm
Back focal length fb −201.4mm
Radius of curvature r 92mm
Centration ＜1′
i
Plano Concave Lens Synthetic Fused Silica 15mm Diameter −50mm Focal Length
SLSQ-15-50N 		15mm 50mm
2 weeks
$100.00
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 −50mm
Edge thickness te 3.3mm
Center thickness tc 2mm
Back focal length fb −51.4mm
Radius of curvature r 23mm
Centration ＜1′
i
Plano Concave Lens Synthetic Fused Silica 25.4mm Diameter −40mm Focal Length
SLSQ-25.4-40N 		25.4mm 40mm
in stock
$144.00
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 −40mm
Edge thickness te 7.1mm
Center thickness tc 2mm
Back focal length fb −41.4mm
Radius of curvature r 18.4mm
Centration ＜1′
i
Plano Concave Lens Synthetic Fused Silica 50mm Diameter −80mm Focal Length
SLSQ-50-80N 		50mm 80mm
in stock
$325.00
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 −80mm
Edge thickness te 12.8mm
Center thickness tc 3mm
Back focal length fb −82.1mm
Radius of curvature r 36.8mm
Centration ＜1′
i
Plano Concave Lens Synthetic Fused Silica 15mm Diameter −80mm Focal Length
SLSQ-15-80N 		15mm 80mm
6-12 weeks
$100.00
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 −80mm
Edge thickness te 2.8mm
Center thickness tc 2mm
Back focal length fb −81.4mm
Radius of curvature r 36.8mm
Centration ＜1′
i
Plano Concave Lens Synthetic Fused Silica 25.4mm Diameter −70mm Focal Length
SLSQ-25.4-70N 		25.4mm 70mm
in stock
$144.00
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 −70mm
Edge thickness te 4.6mm
Center thickness tc 2mm
Back focal length fb −71.4mm
Radius of curvature r 32.2mm
Centration ＜1′
i
Plano Concave Lens Synthetic Fused Silica 50mm Diameter −120mm Focal Length
SLSQ-50-120N 		50mm 120mm
6-12 weeks
$259.00
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 −120mm
Edge thickness te 9mm
Center thickness tc 3mm
Back focal length fb −122.1mm
Radius of curvature r 55.2mm
Centration ＜1′

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