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49-545

Optical Lens by Edmund Optics
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The 49-545 from Edmund Optics is a Optical Lens with Wavelength Range 600 to 1050 nm, Focal Length -18 mm, Center Thickness 1.5 mm, Diameter 9 mm, Radius -18.86 mm. More details for 49-545 can be seen below.

Product Specifications

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Product Details

  • Part Number
    49-545
  • Manufacturer
    Edmund Optics
  • Description
    9 mm Dia. x -18 mm FL, NIR I Coated, Double-Concave Lens

General Parameters

  • Sub Type
    Double-Concave Lens
  • Lens Shape
    Spherical Lens
  • Wavelength Range
    600 to 1050 nm
  • Focal Length
    -18 mm
  • Focal Length Tolerance
    ±1 %
  • Back Focal Length(BFL)
    -12.33 mm
  • Effective Focal Length(EFL)
    -18 mm
  • Center Thickness
    1.5 mm
  • Center Thickness Tolerance
    ±0.10 mm
  • Diameter
    9 mm
  • Radius
    -18.86 mm
  • Radius 1
    -18.86 mm
  • Clear Aperture
    8.1 mm
  • Diameter Tolerance
    0/-0.1 mm
  • Bevel
    Protected
  • Aperture(f-number)
    2
  • Edge Thickness(ET)
    2.45 mm
  • Centration Error
    3 - 5 arcmin
  • Numerical Aperture
    0.25
  • Coating
    NIR I
  • Substrate/Material
    N-BK7
  • Surface Quality
    40-20 scratch-dig
  • RoHS
    Yes
  • Note
    Coating Specification:- Ravg =0.5% @ 600 - 1050 nm, Energy Density Limit:- 7 J/cm2 @ 1064 nm, 10 ns
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