49-349-INK

Optical Lens by Edmund Optics

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The 49-349-INK from Edmund Optics is a Optical Lens with Wavelength Range 400 to 1000 nm, Focal Length 35 mm, Center Thickness 1.76 to 7.33 mm, Diameter 20 mm, Radius -139.78 to 24.24 mm. More details for 49-349-INK can be seen below.

Product Specifications

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Product Details

  • Part Number
    49-349-INK
  • Manufacturer
    Edmund Optics
  • Description
    20mm Dia. x 35mm FL, VIS-NIR, Inked, Achromatic Lens

General Parameters

  • Lens Type
    Achromatic Lens
  • Sub Type
    NIR Achromatic Lens
  • Wavelength Range
    400 to 1000 nm
  • Focal Length
    35 mm
  • Focal Length Tolerance
    ±2 mm
  • Back Focal Length(BFL)
    29.9 mm
  • Effective Focal Length(EFL)
    35 mm
  • Center Thickness
    1.76 to 7.33 mm
  • Center Thickness A
    7.33 mm
  • Center Thickness B
    1.76 mm
  • Center Thickness Tolerance
    ±0.2 mm
  • Diameter
    20 mm
  • Radius
    -139.78 to 24.24 mm
  • Radius 1
    24.24 mm
  • Radius 2
    -15.96 mm
  • Radius 3
    -139.78 mm
  • Clear Aperture
    19 mm
  • Diameter Tolerance
    +0/-0.1 mm
  • Bevel
    Protected
  • Edge Thickness(ET)
    6.57 mm
  • Centration Error
    3 to 5 arcmin
  • Numerical Aperture
    0.29
  • Substrate/Material
    S-BaH11, N-SF10
  • Surface Quality
    40-20 scratch-dig
  • RoHS
    Yes
  • Note
    Coating Specification: RabsA 0.25% @ 880 nme. RavgA 1.25% @ 400 - 870 nme. RavgA 1.25% @ 890 - 1000 nm, Numerical Aperture: 0.29

Technical Documents

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