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48-349

Optical Lens by Edmund Optics
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The 48-349 from Edmund Optics is a Optical Lens with Wavelength Range 400 to 700 nm, Focal Length -18 mm, Center Thickness 1.44 to 2.88 mm, Diameter 9 mm, Radius -35.51 to 16.2 mm. More details for 48-349 can be seen below.

Product Specifications

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Product Details

  • Part Number
    48-349
  • Manufacturer
    Edmund Optics
  • Description
    9mm Dia x -18mm FL Negative Doublet Lens MgF2 Coated

General Parameters

  • Lens Type
    Achromatic Lens
  • Sub Type
    Negative Achromatic Lens
  • Wavelength Range
    400 to 700 nm
  • Focal Length
    -18 mm
  • Focal Length Tolerance
    ±2 %
  • Back Focal Length(BFL)
    -18.57 mm
  • Effective Focal Length(EFL)
    -18 mm
  • Center Thickness
    1.44 to 2.88 mm
  • Center Thickness A
    1.44 mm
  • Center Thickness B
    2.88 mm
  • Center Thickness Tolerance
    ±0.2 mm
  • Diameter
    9 mm
  • Radius
    -35.51 to 16.2 mm
  • Radius 1
    -35.51 mm
  • Radius 2
    6.11 mm
  • Radius 3
    16.2 mm
  • Clear Aperture
    8.1 mm
  • Diameter Tolerance
    +0.00/-0.10 mm
  • Bevel
    Protected
  • Edge Thickness(ET)
    5.12 mm
  • Centration Error
    3 arcmin
  • Numerical Aperture
    0.25
  • Substrate/Material
    N-BAF10, N-SF10
  • Surface Quality
    40-20 scratch-dig
  • RoHS
    Yes
  • Note
    Coating Specification: Ravg 1.75% @ 400 - 700 nm, Numerical Aperture: 0.25

Technical Documents
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