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E-16-979 25mm Dia., 0.40 Numerical Aperture, 600-1050nm Coated, Precision Aspheric Lens

Fosco Connect Part No.: E-16979

  • $ 485.00 or



E-16979 25mm Dia., 0.40 Numerical Aperture, 600-1050nm Coated, Precision Aspheric Lens

Product NIR+ Coating Curve

Product Drawing

Diameter (mm): 25.00 +0.00/-0.025
Effective Focal Length EFL (mm): 31.25 @ 587.6nm
Numerical Aperture NA: 0.40
Back Focal Length BFL (mm): 23.67
Substrate: 
Coating: NIR+ (600-1050nm)
Coating Specification:
Ravg <0.5% @ 600 - 1050nm @ ±30° AOI
Rabs <1.5% @ 600 - 1050nm @ ±30° AOI
Centering (arcmin): <3
Surface Quality: 40-20
Clear Aperture CA (mm): 22.50
Edge Thickness ET (mm): 6.30
Center Thickness CT (mm): 11.50 ±0.10
f/#: 1.25
Bevel: Protective bevel as needed
Shape of Back Surface: Plano
Wavelength Range (nm): 600 - 1050
Conjugate Distance: Infinite
Asphere Figure Error, RMS @ 632.8nm: 0.4λ

Product Family Description

  • Improved Versions of Our Aspheric Lenses
  • Precision Grade Aspheric Surfaces
  • High Numerical Apertures to Maximize Throughput

TECHSPEC® Precision Aspheric Lenses are CNC polished aspheric lenses that feature a 0.4λ RMS aspheric figure error. The precision aspheric figure error makes these lenses ideal for applications that require spherical aberration correction, including imaging and laser focusing applications. These aspheric lenses can also be used to replace multiple spherical elements in optical assemblies to reduce weight and cost. TECHSPEC Precision Aspheric Lenses are available with diameters from 10 to 50mm and high numerical apertures to maximize light throughput.

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