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49-589

Optical Lens by Edmund Optics
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The 49-589 from Edmund Optics is a Optical Lens with Wavelength Range 425 to 675 nm, Focal Length 25 mm, Center Thickness 9.75 mm, Diameter 25 mm, Edge Thickness(ET) 1.75 mm. More details for 49-589 can be seen below.

Product Specifications

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Product Details

  • Part Number
    49-589
  • Manufacturer
    Edmund Optics
  • Description
    25mm Dia 0.50 NA VIS Coated, UV Fused Silica Aspheric Lens

General Parameters

  • Sub Type
    Precision Aspheric Lens
  • Lens Shape
    Aspheric Lens
  • Wavelength Range
    425 to 675 nm
  • Focal Length
    25 mm
  • Back Focal Length(BFL)
    18.315 mm
  • Effective Focal Length(EFL)
    25 mm
  • Center Thickness
    9.75 mm
  • Center Thickness Tolerance
    ±0.1 mm
  • Diameter
    25 mm
  • Clear Aperture
    0.9
  • Diameter Tolerance
    0/-0.1 mm
  • Aperture(f-number)
    1
  • Edge Thickness(ET)
    1.75 mm
  • Centration Error
    3-5 arcmin
  • Numerical Aperture
    0.5
  • Coating
    VIS
  • Substrate/Material
    Fused Silica
  • Surface Accuracy
    0.75 µm
  • Surface Quality
    60-40 scratch-dig
  • RoHS
    Yes
  • Note
    Coating Specification:- Ravg 1.5% @ 425 - 675 nm

Technical Documents
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