85-878

Optical Lens by Edmund Optics

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The 85-878 from Edmund Optics is a Optical Lens with Wavelength Range 350 to 700 nm, Focal Length 100 mm, Center Thickness 5 to 16 mm, Diameter 50 mm, Radius 50.95 to 197.88 mm. More details for 85-878 can be seen below.

Product Specifications

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Product Details

  • Part Number
    85-878
  • Manufacturer
    Edmund Optics
  • Description
    50mm Dia. x 100mm EFL, UV-VIS Coated, Near UV Achromatic Lens

General Parameters

  • Lens Type
    Achromatic Lens
  • Sub Type
    NIR Achromatic Lens
  • Wavelength Range
    350 to 700 nm
  • Design Wavelength
    405 nm
  • Focal Length
    100 mm
  • Focal Length Tolerance
    ±2 %
  • Back Focal Length(BFL)
    87.39 mm
  • Effective Focal Length(EFL)
    100 mm
  • Center Thickness
    5 to 16 mm
  • Center Thickness A
    16 mm
  • Center Thickness B
    5 mm
  • Center Thickness Tolerance
    ±0.2 mm
  • Diameter
    50 mm
  • Radius
    50.95 to 197.88 mm
  • Radius 1
    50.95 mm
  • Radius 2
    50.95 mm
  • Radius 3
    197.88 mm
  • Clear Aperture
    49 mm
  • Diameter Tolerance
    +0.00/-0.05 mm
  • Bevel
    Protected
  • Edge Thickness(ET)
    12.86 mm
  • Centration Error
    3 to 5 arcmin
  • Numerical Aperture
    0.25
  • Substrate/Material
    N-FK5, F2
  • Surface Quality
    40-20 scratch-dig
  • Note
    Coating Specification: Rabs 1.0% @ 350 - 450 nm, Ravg 1.5% @ 250 - 700 nm, Numerical Aperture: 0.25

Technical Documents

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