TECHSPEC® UV Fused Silica Precision Aspheric Lenses

  • Low f/#s for Optimum Light Gathering
  • Low Coefficient of Thermal Expansion
  • Prescription Information Available

TECHSPEC® Precision Aspheric Fused Silica Lenses offer the benefits of an aspheric element combined with the manufacturing precision of state-of-the-art grinding and polishing equipment. With the available prescription data, these fused silica optics can be easily designed and integrated into complex optical systems. Featuring low f/#’s for optimum light gathering and focusing performance, these fused silica lenses are computer optimized to eliminate spherical and minimize higher order aberrations. UV fused silica optics substrate offers a low coefficient of thermal expansion.

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UV Fused Silica Aspheric Lens 15mm Dia 0.38 NA, Uncoated
NT48-535 $375.00Click for special volume pricing In stock and ready to ship. Click to add this item to your cart.
Diameter (mm) 15.00
Diameter Tolerance (mm) +0.0/-0.1mm
Clear Aperture (%) 90
Aperture (f/#) 1.33
Effective Focal Length EFL (mm) 20.00
Back Focal Length BFL (mm) 15.89
Radius R (mm) 9.17
Center Thickness CT (mm) 6.00
Center Thickness Tolerance (mm) ±0.1
Centering (arcminutes) 3 - 5
Surface Accuracy, RMS (μm) 0.75
Surface Quality 60-40
Substrate UV Fused Silica
Coating Uncoated
RoHS Exempt
UV Fused Silica Aspheric Lens 15mm Dia 0.38 NA, VIS Coated
NT49-588 $385.00Click for special volume pricing In stock and ready to ship. Click to add this item to your cart.
Diameter (mm) 15.00
Diameter Tolerance (mm) +0.0/-0.1mm
Clear Aperture (%) 90
Aperture (f/#) 1.33
Effective Focal Length EFL (mm) 20.00
Back Focal Length BFL (mm) 15.89
Radius R (mm) 9.17
Center Thickness CT (mm) 6.00
Center Thickness Tolerance (mm) ±0.1
Centering (arcminutes) 3 - 5
Surface Accuracy, RMS (μm) 0.75
Surface Quality 60-40
Substrate UV Fused Silica
Coating VIS
RoHS Exempt
UV Fused Silica Aspheric Lens 15mm Dia 0.38 NA, NIR Coated
NT49-592 $385.00Click for special volume pricing In stock and ready to ship. Click to add this item to your cart.
Diameter (mm) 15.00
Diameter Tolerance (mm) +0.0/-0.1mm
Clear Aperture (%) 90
Aperture (f/#) 1.33
Effective Focal Length EFL (mm) 20.00
Back Focal Length BFL (mm) 15.89
Radius R (mm) 9.17
Center Thickness CT (mm) 6.00
Center Thickness Tolerance (mm) ±0.1
Centering (arcminutes) 3 - 5
Surface Accuracy, RMS (μm) 0.75
Surface Quality 60-40
Substrate UV Fused Silica
Coating NIR
RoHS Exempt
UV Fused Silica Aspheric Lens 15mm Dia 0.38 NA, UV Coated
NT49-694 $385.00Click for special volume pricing In stock and ready to ship. Click to add this item to your cart.
Diameter (mm) 15.00
Diameter Tolerance (mm) +0.0/-0.1mm
Clear Aperture (%) 90
Aperture (f/#) 1.33
Effective Focal Length EFL (mm) 20.00
Back Focal Length BFL (mm) 15.89
Radius R (mm) 9.17
Center Thickness CT (mm) 6.00
Center Thickness Tolerance (mm) ±0.1
Centering (arcminutes) 3 - 5
Surface Accuracy, RMS (μm) 0.75
Surface Quality 60-40
Substrate UV Fused Silica
Coating UV Coated
RoHS Exempt
UV Fused Silica Aspheric Lens 15mm Dia 0.50 NA, Uncoated
NT48-534 $375.00Click for special volume pricing In stock and ready to ship. Click to add this item to your cart.
Diameter (mm) 15.00
Diameter Tolerance (mm) +0.0/-0.1mm
Clear Aperture (%) 90
Aperture (f/#) 1.00
Effective Focal Length EFL (mm) 15.00
Back Focal Length BFL (mm) 10.29
Radius R (mm) 6.88
Center Thickness CT (mm) 7.30
Center Thickness Tolerance (mm) ±0.1
Centering (arcminutes) 3 - 5
Surface Accuracy, RMS (μm) 0.75
Surface Quality 60-40
Substrate UV Fused Silica
Coating Uncoated
RoHS Exempt
UV Fused Silica Aspheric Lens 15mm Dia 0.50 NA, VIS Coated
NT49-587 $385.00Click for special volume pricing In stock and ready to ship. Click to add this item to your cart.
Diameter (mm) 15.00
Diameter Tolerance (mm) +0.0/-0.1mm
Clear Aperture (%) 90
Aperture (f/#) 1.00
Effective Focal Length EFL (mm) 15.00
Back Focal Length BFL (mm) 10.29
Radius R (mm) 6.88
Center Thickness CT (mm) 7.30
Center Thickness Tolerance (mm) ±0.1
Centering (arcminutes) 3 - 5
Surface Accuracy, RMS (μm) 0.75
Surface Quality 60-40
Substrate UV Fused Silica
Coating VIS
RoHS Exempt
UV Fused Silica Aspheric Lens 15mm Dia 0.50 NA, NIR Coated
NT49-591 $385.00Click for special volume pricing Click to receive an email with delivery information. Click to add this item to your cart.
Diameter (mm) 15.00
Diameter Tolerance (mm) +0.0/-0.1mm
Clear Aperture (%) 90
Aperture (f/#) 1.00
Effective Focal Length EFL (mm) 15.00
Back Focal Length BFL (mm) 10.29
Radius R (mm) 6.88
Center Thickness CT (mm) 7.30
Center Thickness Tolerance (mm) ±0.1
Centering (arcminutes) 3 - 5
Surface Accuracy, RMS (μm) 0.75
Surface Quality 60-40
Substrate UV Fused Silica
Coating NIR
RoHS Exempt
UV Fused Silica Aspheric Lens 15mm Dia 0.50 NA, UV Coated
NT49-693 $385.00Click for special volume pricing In stock and ready to ship. Click to add this item to your cart.
Diameter (mm) 15.00
Diameter Tolerance (mm) +0.0/-0.1mm
Clear Aperture (%) 90
Aperture (f/#) 1.00
Effective Focal Length EFL (mm) 15.00
Back Focal Length BFL (mm) 10.29
Radius R (mm) 6.88
Center Thickness CT (mm) 7.25
Center Thickness Tolerance (mm) ±0.1
Centering (arcminutes) 3 - 5
Surface Accuracy, RMS (μm) 0.75
Surface Quality 60-40
Substrate UV Fused Silica
Coating UV Coated
RoHS Exempt
UV Fused Silica Aspheric Lens 15mm Dia 0.60 NA, Uncoated
NT67-264 $395.00Click for special volume pricing Click to receive an email with delivery information. Click to add this item to your cart.
Diameter (mm) 15.00
Diameter Tolerance (mm) +0.0/-0.1mm
Clear Aperture (%) 90
Aperture (f/#) 0.83
Effective Focal Length EFL (mm) 12.50
Back Focal Length BFL (mm) 6.33
Radius R (mm) 5.73
Center Thickness CT (mm) 9.00
Center Thickness Tolerance (mm) ±0.1
Centering (arcminutes) 3 - 5
Surface Accuracy, RMS (μm) 0.75
Surface Quality 60-40
Substrate UV Fused Silica
Coating Uncoated
RoHS Compliant
UV Fused Silica Aspheric Lens 25mm Dia 0.42 NA, Uncoated
NT48-537 $395.00Click for special volume pricing Click to receive an email with delivery information. Click to add this item to your cart.
Diameter (mm) 25.00
Diameter Tolerance (mm) +0.0/-0.1mm
Clear Aperture (%) 90
Aperture (f/#) 1.20
Effective Focal Length EFL (mm) 30.00
Back Focal Length BFL (mm) 24.17
Radius R (mm) 13.75
Center Thickness CT (mm) 8.50
Center Thickness Tolerance (mm) ±0.1
Centering (arcminutes) 3 - 5
Surface Accuracy, RMS (μm) 0.75
Surface Quality 60-40
Substrate UV Fused Silica
Coating Uncoated
RoHS Exempt
UV Fused Silica Aspheric Lens 25mm Dia 0.42 NA, VIS Coated
NT49-590 $405.00Click for special volume pricing In stock and ready to ship. Click to add this item to your cart.
Diameter (mm) 25.00
Diameter Tolerance (mm) +0.0/-0.1mm
Clear Aperture (%) 90
Aperture (f/#) 1.20
Effective Focal Length EFL (mm) 30.00
Back Focal Length BFL (mm) 24.17
Radius R (mm) 13.75
Center Thickness CT (mm) 8.50
Center Thickness Tolerance (mm) ±0.1
Centering (arcminutes) 3 - 5
Surface Accuracy, RMS (μm) 0.75
Surface Quality 60-40
Substrate UV Fused Silica
Coating VIS
RoHS Exempt
UV Fused Silica Aspheric Lens 25mm Dia 0.42 NA, NIR Coated
NT49-594 $405.00Click for special volume pricing In stock and ready to ship. Click to add this item to your cart.
Diameter (mm) 25.00
Diameter Tolerance (mm) +0.0/-0.1mm
Clear Aperture (%) 90
Aperture (f/#) 1.20
Effective Focal Length EFL (mm) 30.00
Back Focal Length BFL (mm) 24.17
Radius R (mm) 13.75
Center Thickness CT (mm) 8.50
Center Thickness Tolerance (mm) ±0.1
Centering (arcminutes) 3 - 5
Surface Accuracy, RMS (μm) 0.75
Surface Quality 60-40
Substrate UV Fused Silica
Coating NIR
RoHS Exempt
UV Fused Silica Aspheric Lens 25mm Dia 0.42 NA, UV Coated
NT49-696 $405.00Click for special volume pricing Click to receive an email with delivery information. Click to add this item to your cart.
Diameter (mm) 25.00
Diameter Tolerance (mm) +0.0/-0.1mm
Clear Aperture (%) 90
Aperture (f/#) 1.20
Effective Focal Length EFL (mm) 30.00
Back Focal Length BFL (mm) 24.17
Radius R (mm) 13.75
Center Thickness CT (mm) 8.50
Center Thickness Tolerance (mm) ±0.1
Centering (arcminutes) 3 - 5
Surface Accuracy, RMS (μm) 0.75
Surface Quality 60-40
Substrate UV Fused Silica
Coating UV Coated
RoHS Exempt
UV Fused Silica Aspheric Lens 25mm Dia 0.50 NA, Uncoated
NT48-536 $395.00Click for special volume pricing In stock and ready to ship. Click to add this item to your cart.
Diameter (mm) 25.00
Diameter Tolerance (mm) +0.0/-0.1mm
Clear Aperture (%) 90
Aperture (f/#) 1.00
Effective Focal Length EFL (mm) 25.00
Back Focal Length BFL (mm) 18.31
Radius R (mm) 11.46
Center Thickness CT (mm) 9.75
Center Thickness Tolerance (mm) ±0.1
Centering (arcminutes) 3 - 5
Surface Accuracy, RMS (μm) 0.75
Surface Quality 60-40
Substrate UV Fused Silica
Coating Uncoated
RoHS Exempt
UV Fused Silica Aspheric Lens 25mm Dia 0.50 NA, VIS Coated
NT49-589 $405.00Click for special volume pricing In stock and ready to ship. Click to add this item to your cart.
Diameter (mm) 25.00
Diameter Tolerance (mm) +0.0/-0.1mm
Clear Aperture (%) 90
Aperture (f/#) 1.00
Effective Focal Length EFL (mm) 25.00
Back Focal Length BFL (mm) 19.31
Radius R (mm) 11.46
Center Thickness CT (mm) 9.75
Center Thickness Tolerance (mm) ±0.1
Centering (arcminutes) 3 - 5
Surface Accuracy, RMS (μm) 0.75
Surface Quality 60-40
Substrate UV Fused Silica
Coating VIS
RoHS Exempt
UV Fused Silica Aspheric Lens 25mm Dia 0.50 NA, NIR Coated
NT49-593 $405.00Click for special volume pricing In stock and ready to ship. Click to add this item to your cart.
Diameter (mm) 25.00
Diameter Tolerance (mm) +0.0/-0.1mm
Clear Aperture (%) 90
Aperture (f/#) 1.00
Effective Focal Length EFL (mm) 25.00
Back Focal Length BFL (mm) 19.31
Radius R (mm) 11.46
Center Thickness CT (mm) 9.80
Center Thickness Tolerance (mm) ±0.1
Centering (arcminutes) 3 - 5
Surface Accuracy, RMS (μm) 0.75
Surface Quality 60-40
Substrate UV Fused Silica
Coating NIR
RoHS Exempt
UV Fused Silica Aspheric Lens 25mm Dia 0.50 NA, UV Coated
NT49-695 $405.00Click for special volume pricing Click to receive an email with delivery information. Click to add this item to your cart.
Diameter (mm) 25.00
Diameter Tolerance (mm) +0.0/-0.1mm
Clear Aperture (%) 90
Aperture (f/#) 1.00
Effective Focal Length EFL (mm) 25.00
Back Focal Length BFL (mm) 19.31
Radius R (mm) 11.46
Center Thickness CT (mm) 9.75
Center Thickness Tolerance (mm) ±0.1
Centering (arcminutes) 3 - 5
Surface Accuracy, RMS (μm) 0.75
Surface Quality 60-40
Substrate UV Fused Silica
Coating UV Coated
RoHS Exempt
UV Fused Silica Aspheric Lens 25mm Dia 0.63 NA, Uncoated
NT67-265 $425.00Click for special volume pricing Click to receive an email with delivery information. Click to add this item to your cart.
Diameter (mm) 25.00
Diameter Tolerance (mm) +0.0/-0.1mm
Clear Aperture (%) 90
Aperture (f/#) 0.80
Effective Focal Length EFL (mm) 20.00
Back Focal Length BFL (mm) 10.40
Radius R (mm) 9.17
Center Thickness CT (mm) 14.00
Center Thickness Tolerance (mm) ±0.1
Centering (arcminutes) 3 - 5
Surface Accuracy, RMS (μm) 0.75
Surface Quality 60-40
Substrate UV Fused Silica
Coating Uncoated
RoHS Compliant
UV Fused Silica Aspheric Lens 50mm Dia 0.42 NA, Uncoated
NT67-268 $575.00Click for special volume pricing Click to receive an email with delivery information. Click to add this item to your cart.
Diameter (mm) 50.00
Diameter Tolerance (mm) +0.0/-0.1mm
Clear Aperture (%) 90
Aperture (f/#) 1.20
Effective Focal Length EFL (mm) 60.00
Back Focal Length BFL (mm) 48.34
Radius R (mm) 27.51
Center Thickness CT (mm) 17.00
Center Thickness Tolerance (mm) ±0.1
Centering (arcminutes) 3 - 5
Surface Accuracy, RMS (μm) 0.75
Surface Quality 60-40
Substrate UV Fused Silica
Coating Uncoated
RoHS Compliant
UV Fused Silica Aspheric Lens 50mm Dia 0.50 NA, Uncoated
NT67-267 $575.00Click for special volume pricing Click to receive an email with delivery information. Click to add this item to your cart.
Diameter (mm) 50.00
Diameter Tolerance (mm) +0.0/-0.1mm
Clear Aperture (%) 90
Aperture (f/#) 1.00
Effective Focal Length EFL (mm) 50.00
Back Focal Length BFL (mm) 36.63
Radius R (mm) 22.92
Center Thickness CT (mm) 19.50
Center Thickness Tolerance (mm) ±0.1
Centering (arcminutes) 3 - 5
Surface Accuracy, RMS (μm) 0.75
Surface Quality 60-40
Substrate UV Fused Silica
Coating Uncoated
RoHS Compliant
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