TECHSPEC® Precision Aspheric Lenses - UV Fused Silica

  • 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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Description Stock No. Price In Stock  
Showing 1-16 of 16 Items | Sort by Spec
UV Fused Silica Aspheric Lens 15mm Dia 0.50 NA, Uncoated
NT48-534 $375.00 Click to receive an email with delivery information. Click to add this item to your cart.
Diameter (mm) 15.00
Effective Focal Length EFL (mm) 15.00
Aperture (f/#) 1.00
Back Focal Length BFL (mm) 10.29
Radius R (mm) 6.88
Center Thickness CT (mm) 7.30
Coating Uncoated
RoHS Exempt
UV Fused Silica Aspheric Lens 15mm Dia 0.50 NA, VIS Coated
NT49-587 $385.00 In stock and ready to ship. Click to add this item to your cart.
Diameter (mm) 15.00
Effective Focal Length EFL (mm) 15.00
Aperture (f/#) 1.00
Back Focal Length BFL (mm) 10.29
Radius R (mm) 6.88
Center Thickness CT (mm) 7.30
Coating VIS
RoHS Exempt
UV Fused Silica Aspheric Lens 15mm Dia 0.50 NA, NIR Coated
NT49-591 $385.00 In stock and ready to ship. Click to add this item to your cart.
Diameter (mm) 15.00
Effective Focal Length EFL (mm) 15.00
Aperture (f/#) 1.00
Back Focal Length BFL (mm) 10.29
Radius R (mm) 6.88
Center Thickness CT (mm) 7.30
Coating NIR
RoHS Exempt
UV Fused Silica Aspheric Lens 15mm Dia 0.38 NA, Uncoated
NT48-535 $375.00 In stock and ready to ship. Click to add this item to your cart.
Diameter (mm) 15.00
Effective Focal Length EFL (mm) 20.00
Aperture (f/#) 1.33
Back Focal Length BFL (mm) 15.89
Radius R (mm) 9.17
Center Thickness CT (mm) 6.00
Coating Uncoated
RoHS Exempt
UV Fused Silica Aspheric Lens 15mm Dia 0.38 NA, VIS Coated
NT49-588 $385.00 In stock and ready to ship. Click to add this item to your cart.
Diameter (mm) 15.00
Effective Focal Length EFL (mm) 20.00
Aperture (f/#) 1.33
Back Focal Length BFL (mm) 15.89
Radius R (mm) 9.17
Center Thickness CT (mm) 6.00
Coating VIS
RoHS Exempt
UV Fused Silica Aspheric Lens 15mm Dia 0.38 NA, NIR Coated
NT49-592 $385.00 In stock and ready to ship. Click to add this item to your cart.
Diameter (mm) 15.00
Effective Focal Length EFL (mm) 20.00
Aperture (f/#) 1.33
Back Focal Length BFL (mm) 15.89
Radius R (mm) 9.17
Center Thickness CT (mm) 6.00
Coating NIR
RoHS Exempt
UV Fused Silica Aspheric Lens 25mm Dia 0.50 NA, Uncoated
NT48-536 $395.00 In stock and ready to ship. Click to add this item to your cart.
Diameter (mm) 25.00
Effective Focal Length EFL (mm) 25.00
Aperture (f/#) 1.00
Back Focal Length BFL (mm) 18.31
Radius R (mm) 11.46
Center Thickness CT (mm) 9.75
Coating Uncoated
RoHS Exempt
UV Fused Silica Aspheric Lens 25mm Dia 0.50 NA, VIS Coated
NT49-589 $405.00 In stock and ready to ship. Click to add this item to your cart.
Diameter (mm) 25.00
Effective Focal Length EFL (mm) 25.00
Aperture (f/#) 1.00
Back Focal Length BFL (mm) 19.31
Radius R (mm) 11.46
Center Thickness CT (mm) 9.75
Coating VIS
RoHS Exempt
UV Fused Silica Aspheric Lens 25mm Dia 0.50 NA, NIR Coated
NT49-593 $405.00 In stock and ready to ship. Click to add this item to your cart.
Diameter (mm) 25.00
Effective Focal Length EFL (mm) 25.00
Aperture (f/#) 1.00
Back Focal Length BFL (mm) 19.31
Radius R (mm) 11.46
Center Thickness CT (mm) 9.80
Coating NIR
RoHS Exempt
UV Fused Silica Aspheric Lens 25mm Dia 0.42 NA, Uncoated
NT48-537 $395.00 In stock and ready to ship. Click to add this item to your cart.
Diameter (mm) 25.00
Effective Focal Length EFL (mm) 30.00
Aperture (f/#) 1.20
Back Focal Length BFL (mm) 24.17
Radius R (mm) 13.75
Center Thickness CT (mm) 8.50
Coating Uncoated
RoHS Exempt
UV Fused Silica Aspheric Lens 25mm Dia 0.42 NA, VIS Coated
NT49-590 $405.00 In stock and ready to ship. Click to add this item to your cart.
Diameter (mm) 25.00
Effective Focal Length EFL (mm) 30.00
Aperture (f/#) 1.20
Back Focal Length BFL (mm) 24.17
Radius R (mm) 13.75
Center Thickness CT (mm) 8.50
Coating VIS
RoHS Exempt
UV Fused Silica Aspheric Lens 25mm Dia 0.42 NA, NIR Coated
NT49-594 $405.00 In stock and ready to ship. Click to add this item to your cart.
Diameter (mm) 25.00
Effective Focal Length EFL (mm) 30.00
Aperture (f/#) 1.20
Back Focal Length BFL (mm) 24.17
Radius R (mm) 13.75
Center Thickness CT (mm) 8.50
Coating NIR
RoHS Exempt
UV Fused Silica Aspheric Lens 15mm Dia 0.50 NA, UV Coated
NT49-693 $385.00 In stock and ready to ship. Click to add this item to your cart.
Diameter (mm) 15.00
Effective Focal Length EFL (mm) 15.00
Aperture (f/#) 1.00
Back Focal Length BFL (mm) 10.29
Radius R (mm) 6.88
Center Thickness CT (mm) 7.25
Coating UV Coated
RoHS Exempt
UV Fused Silica Aspheric Lens 15mm Dia 0.38 NA, UV Coated
NT49-694 $385.00 In stock and ready to ship. Click to add this item to your cart.
Diameter (mm) 15.00
Effective Focal Length EFL (mm) 20.00
Aperture (f/#) 1.33
Back Focal Length BFL (mm) 15.89
Radius R (mm) 9.17
Center Thickness CT (mm) 6.00
Coating UV Coated
RoHS Exempt
UV Fused Silica Aspheric Lens 25mm Dia 0.50 NA, UV Coated
NT49-695 $405.00 In stock and ready to ship. Click to add this item to your cart.
Diameter (mm) 25.00
Effective Focal Length EFL (mm) 25.00
Aperture (f/#) 1.00
Back Focal Length BFL (mm) 19.31
Radius R (mm) 11.46
Center Thickness CT (mm) 9.75
Coating UV Coated
RoHS Exempt
UV Fused Silica Aspheric Lens 25mm Dia 0.42 NA, UV Coated
NT49-696 $405.00 In stock and ready to ship. Click to add this item to your cart.
Diameter (mm) 25.00
Effective Focal Length EFL (mm) 30.00
Aperture (f/#) 1.20
Back Focal Length BFL (mm) 24.17
Radius R (mm) 13.75
Center Thickness CT (mm) 8.50
Coating UV Coated
RoHS Exempt
 Sort by Spec
Substrate UV Fused Silica
Design Wavelength 587.6nm
Clear Aperture 90%
Diameter Tolerance +0.0/-0.1mm
Center Thickness Tolerance ±0.1mm
Surface Accuracy 0.75µm RMS
Surface Quality 60-40
Centering 3 - 5 arc min.
Coating Options Uncoated
UV: R<1.5% 250-450nm
VIS: R<1.5% 425-675nm
NIR: R<1.5% 600-1050nm
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