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DLB-50.8-250PM

Optical Lens by Laser 2000 (UK) Ltd.
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The DLB-50.8-250PM from Laser 2000 (UK) Ltd. is a Optical Lens with Wavelength Range 425 to 675 nm, Focal Length 24.94 cm(249.4 mm), Center Thickness 12.1 mm, Diameter 50.8 mm, Radius -371.4 to 148 mm. More details for DLB-50.8-250PM can be seen below.

Product Specifications

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Product Details

  • Part Number
    DLB-50.8-250PM
  • Manufacturer
    Laser 2000 (UK) Ltd.
  • Description
    Achromatic Doublet, D50.8/FL249.4 BMAR 425-675

Temperature

  • Operating Temperature
    -40 to 90 Degree C

General Parameters

  • Lens Type
    Achromatic Lens
  • Sub Type
    Achromatic Doublet Lens
  • Wavelength Range
    425 to 675 nm
  • Design Wavelength
    546.1 nm
  • Focal Length
    24.94 cm(249.4 mm)
  • Focal Length Tolerance
    ±1 %
  • Back Focal Length(BFL)
    24.34 cm
  • Center Thickness
    12.1 mm
  • Center Thickness Tolerance
    ±0.2 mm
  • Diameter
    50.8 mm
  • Radius
    -371.4 to 148 mm
  • Radius 1
    148 mm
  • Radius 2
    -371.4 mm
  • Diameter Tolerance
    +0/-0.1 mm
  • Edge Thickness(ET)
    9 mm
  • Centration Error
    1 arcmin
  • Substrate/Material
    Crown, Flint
  • Surface Quality
    40-20 scratch-dig

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