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49-656

Optical Lens by Edmund Optics
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The 49-656 from Edmund Optics is a Optical Lens with Wavelength Range 425 to 675 nm, Focal Length 12 mm, Diameter 9 mm, Radius 7.56 to 12.8 mm, Edge Thickness(ET) 4.77 mm. More details for 49-656 can be seen below.

Product Specifications

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Product Details

  • Part Number
    49-656
  • Manufacturer
    Edmund Optics
  • Description
    9mm Diameter x 12mm EFL Aspherized Achromatic Lens

Temperature

  • Operating Temperature
    -20 to 80 Degree C

General Parameters

  • Lens Type
    Achromatic Lens
  • Wavelength Range
    425 to 675 nm
  • Focal Length
    12 mm
  • Back Focal Length(BFL)
    8.14 mm
  • Effective Focal Length(EFL)
    12 mm
  • Center Thickness A
    4.5 mm
  • Center Thickness B
    1.5 mm
  • Center Thickness Tolerance
    ±0.2 mm
  • Diameter
    9 mm
  • Radius
    7.56 to 12.8 mm
  • Radius 1
    7.56 mm
  • Radius 2
    12.8 mm
  • Radius 3
    61.6 mm
  • Clear Aperture
    0.9
  • Diameter Tolerance
    0/-0.05 mm
  • Edge Thickness(ET)
    4.77 mm
  • Centration Error
    3-5 arcmin
  • Numerical Aperture
    0.38
  • Coating
    VIS 0°
  • Substrate/Material
    N-LAK8 / N-SF57
  • Surface Quality
    40-20 scratch-dig
  • RoHS
    Yes
  • Note
    Coating Specification:- Surface 1: Ravg 0.4% @ 425 - 675 nm, Surface 2: Aspheric Polymer

Technical Documents
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