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65-991

Optical Lens by Edmund Optics
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The 65-991 from Edmund Optics is a Optical Lens with Wavelength Range 475 to 675 nm, Focal Length 20 mm, Center Thickness 10 mm, Diameter 25 mm. More details for 65-991 can be seen below.

Product Specifications

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Product Details

  • Part Number
    65-991
  • Manufacturer
    Edmund Optics
  • Description
    25mm Dia. x 20mm FL, Uncoated, Hybrid Asphere

Temperature

  • Operating Temperature
    -30 to 70 Degree C

General Parameters

  • Lens Shape
    Aspheric Lens
  • Wavelength Range
    475 to 675 nm
  • Focal Length
    20 mm
  • Back Focal Length(BFL)
    13.89 mm
  • Effective Focal Length(EFL)
    20 mm
  • Center Thickness
    10 mm
  • Center Thickness Tolerance
    ±0.10 mm
  • Diameter
    25 mm
  • Diameter Tolerance
    0/-0.1 mm
  • Aperture(f-number)
    0.8
  • Numerical Aperture
    0.63
  • Coating
    Uncoated
  • Substrate/Material
    Zeonex E48R
  • RoHS
    Yes

Technical Documents
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