LC1439

Optical Lens by Thorlabs Inc

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The LC1439 from Thorlabs Inc is a Optical Lens with Wavelength Range 350 nm to 2.0 µm, Focal Length -50.0 mm, Center Thickness 3.5 mm, Diameter 12.7 mm, Edge Thickness(ET) 4.3 mm. More details for LC1439 can be seen below.

Product Specifications

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Product Details

  • Part Number
    LC1439
  • Manufacturer
    Thorlabs Inc
  • Description
    N-BK7 Plano-Concave Lens, 1/2 Inch, f = -50.0 mm, Uncoated

General Parameters

  • Sub Type
    Plano-Convex Lens
  • Lens Shape
    Spherical Lens
  • Wavelength Range
    350 nm to 2.0 µm
  • Focal Length
    -50.0 mm
  • Focal Length Tolerance
    ±1%
  • Back Focal Length(BFL)
    -52.3 mm
  • Center Thickness
    3.5 mm
  • Center Thickness Tolerance
    ± 0.1 mm
  • Diameter
    12.7 mm
  • Clear Aperture
    0.9
  • Diameter Tolerance
    +0.00 to / -0.1 mm
  • Edge Thickness(ET)
    4.3 mm
  • Centration Error
    3 arcmin
  • Refractive index
    1.515
  • Substrate/Material
    N-BK7
  • Surface Accuracy
    λ/4, 3λ/2
  • Surface Quality
    40-20 Scratch-Dig
  • RoHS
    Yes

Technical Documents

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