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69-690

Optical Lens by Edmund Optics
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The 69-690 from Edmund Optics is a Optical Lens with Wavelength Range 3000 to 5000 nm, Focal Length 250 mm, Center Thickness 3 mm, Diameter 25 mm, Radius 604.401 mm. More details for 69-690 can be seen below.

Product Specifications

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Product Details

  • Part Number
    69-690
  • Manufacturer
    Edmund Optics
  • Description
    25 mm Dia. x 250 mm FL, 3 - 5µm Coated, Si Plano-Convex Lens

General Parameters

  • Sub Type
    Plano-Convex Lens
  • Lens Shape
    Spherical Lens
  • Wavelength Range
    3000 to 5000 nm
  • Focal Length
    250 mm
  • Back Focal Length(BFL)
    249.12 mm
  • Effective Focal Length(EFL)
    250 mm
  • Center Thickness
    3 mm
  • Center Thickness Tolerance
    ±0.10 mm
  • Diameter
    25 mm
  • Radius
    604.401 mm
  • Radius 1
    604.401 mm
  • Clear Aperture
    24 mm
  • Diameter Tolerance
    0/-0.1 mm
  • Aperture(f-number)
    10
  • Edge Thickness(ET)
    2.87 mm
  • Centration Error
    3 arcmin
  • Numerical Aperture
    0.05
  • Coating
    3 - 5 µm
  • Substrate/Material
    Silicon
  • Surface Quality
    60-40 scratch-dig
  • RoHS
    Yes

Technical Documents
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