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LJ1942L1

Optical Lens by Thorlabs Inc
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The LJ1942L1 from Thorlabs Inc is a Optical Lens with Wavelength Range 350 nm to 2.0 µm, Focal Length 12.7 mm, Center Thickness 4.3 mm, Radius 6.6 mm, Edge Thickness(ET) 2.0 mm. More details for LJ1942L1 can be seen below.

Product Specifications

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Product Details

  • Part Number
    LJ1942L1
  • Manufacturer
    Thorlabs Inc
  • Description
    f = 12.70 mm, H = 10.00 mm, L = 12.0 mm, N-BK7 Plano-Convex Cylindrical Lens, Uncoated

General Parameters

  • Sub Type
    Plano-Convex Lens
  • Lens Shape
    Spherical Lens
  • Wavelength Range
    350 nm to 2.0 µm
  • Focal Length
    12.7 mm
  • Focal Length Tolerance
    ±1%
  • Back Focal Length(BFL)
    9.9 mm
  • Effective Focal Length(EFL)
    12.7 mm
  • Center Thickness
    4.3 mm
  • Center Thickness Tolerance
    ±0.1 mm
  • Radius
    6.6 mm
  • Radius 1
    6.6 mm
  • Clear Aperture
    0.9
  • Edge Thickness(ET)
    2.0 mm
  • Centration Error
    3 to 5 arcmin @50 mm
  • Substrate/Material
    N-BK7
  • Surface Accuracy
    λ/2, λ/4, 3λ/2
  • Surface Quality
    60-40 Scratch-Dig

Technical Documents
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