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GCL-010412

Optical Lens by Kryptronic Technologies
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The GCL-010412 from Kryptronic Technologies is a Optical Lens with Focal Length -250 mm, Center Thickness 5 mm, Diameter 50.8 mm, Edge Thickness(ET) 7.5 mm. More details for GCL-010412 can be seen below.

Product Specifications

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Product Details

  • Part Number
    GCL-010412
  • Manufacturer
    Kryptronic Technologies

General Parameters

  • Sub Type
    Bi-Concave Lens
  • Lens Shape
    Spherical Lens
  • Focal Length
    -250 mm
  • Back Focal Length(BFL)
    -251.5 mm
  • Thickness Tolerance
    ± 2%
  • Center Thickness
    5 mm
  • Center Thickness Tolerance
    ±0.1 mm
  • Diameter
    50.8 mm
  • Clear Aperture
    45.72
  • Edge Thickness(ET)
    7.5 mm
  • Centration Error
    3 arc minutes
  • Coating
    MgF2 AR Coated
  • Substrate/Material
    N-BK7
  • Surface Quality
    60-40 scratch-dig
  • Note
    Fringe: 1 to 5, Irregularity of Fringes: 0.2 to 0.5

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