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68-015-INK

Optical Lens by Edmund Optics
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The 68-015-INK from Edmund Optics is a Optical Lens with Wavelength Range 750 to 1550 nm, Focal Length -25 mm, Center Thickness 2.5 mm, Diameter 25 mm, Radius -39.78 mm. More details for 68-015-INK can be seen below.

Product Specifications

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Product Details

  • Part Number
    68-015-INK
  • Manufacturer
    Edmund Optics
  • Description
    25 mm Dia. x -25 mm FL, NIR II, Inked, Double-Concave Lens

General Parameters

  • Sub Type
    Double-Concave Lens
  • Lens Shape
    Spherical Lens
  • Wavelength Range
    750 to 1550 nm
  • Focal Length
    -25 mm
  • Focal Length Tolerance
    ±1 %
  • Back Focal Length(BFL)
    -25.69 mm
  • Effective Focal Length(EFL)
    -25 mm
  • Center Thickness
    2.5 mm
  • Center Thickness Tolerance
    ±0.10 mm
  • Diameter
    25 mm
  • Radius
    -39.78 mm
  • Radius 1
    -39.78 mm
  • Clear Aperture
    24 mm
  • Diameter Tolerance
    0/-0.1 mm
  • Aperture(f-number)
    1
  • Edge Thickness(ET)
    6.05 mm
  • Centration Error
    3 - 5 arcmin
  • Numerical Aperture
    0.5
  • Coating
    NIR II
  • Substrate/Material
    N-SF11
  • Surface Quality
    40-20 scratch-dig
  • RoHS
    Yes
  • Note
    Coating Specification:- Rabs =1.5% @ 750 - 800 nm, Rabs =1.0% @ 800 - 1550 nm, Ravg =0.7% @ 750 - 1550 nm, Energy Density Limit:- 8 J/cm2 @ 1064 nm, 10 ns

Technical Documents
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