LA1765

Optical Lens by Thorlabs Inc

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The LA1765 from Thorlabs Inc is a Optical Lens with Wavelength Range 350 nm to 2.0 µm, Focal Length 75 mm, Center Thickness 5.5 mm, Diameter 30 mm, Edge Thickness(ET) 2.5 mm. More details for LA1765 can be seen below.

Product Specifications

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Product Details

  • Part Number
    LA1765
  • Manufacturer
    Thorlabs Inc
  • Description
    N-BK7 Plano-Convex Lens, 30.0 mm, f = 75.0 mm, Uncoated

General Parameters

  • Sub Type
    Plano-Convex Lens
  • Lens Shape
    Spherical Lens
  • Wavelength Range
    350 nm to 2.0 µm
  • Design Wavelength
    587.6 nm
  • Focal Length
    75 mm
  • Focal Length Tolerance
    ±1%
  • Back Focal Length(BFL)
    71.1 mm
  • Center Thickness
    5.5 mm
  • Diameter
    30 mm
  • Clear Aperture
    0.9
  • Diameter Tolerance
    +0.00/-0.10 mm
  • Edge Thickness(ET)
    2.5 mm
  • Centration Error
    3 arcmin
  • Refractive index
    1.515
  • Coating
    Uncoated
  • Substrate/Material
    N-BK7
  • Surface Accuracy
    λ/2, λ/4, 3λ/2
  • Surface Quality
    40-20 Scratch-Dig
  • RoHS
    Yes

Technical Documents

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