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AC254-250-B

Optical Lens by Thorlabs Inc
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The AC254-250-B from Thorlabs Inc is a Optical Lens with Wavelength Range 650 to 1050 nm, Focal Length 250 mm, Center Thickness 1.5 to 4 mm, Diameter 25.4 mm, Radius -65.31 to 111.51 mm. More details for AC254-250-B can be seen below.

Product Specifications

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Product Details

  • Part Number
    AC254-250-B
  • Manufacturer
    Thorlabs Inc
  • Description
    f=250.0 mm, 1 Inch Achromatic Doublet, ARC: 650-1050 nm

Temperature

  • Operating Temperature
    -40 to 85 Degree C

General Parameters

  • Lens Type
    Achromatic Lens
  • Sub Type
    Achromatic Doublet Lens
  • Wavelength Range
    650 to 1050 nm
  • Focal Length
    250 mm
  • Focal Length Tolerance
    ± 1%
  • Back Focal Length(BFL)
    237.5 mm
  • Effective Focal Length(EFL)
    250 mm
  • Center Thickness
    1.5 to 4 mm
  • Center Thickness A
    4 mm
  • Center Thickness B
    1.5 mm
  • Diameter
    25.4 mm
  • Radius
    -65.31 to 111.51 mm
  • Radius 1
    52 mm
  • Radius 2
    -65.31 mm
  • Radius 3
    111.51 mm
  • Clear Aperture
    0.9
  • Edge Thickness(ET)
    4.7 mm
  • Centration Error
    3 arcmin
  • Coating
    Coated
  • Substrate/Material
    SF5 , N-SF6HT
  • Surface Accuracy
    λ/4
  • Surface Quality
    40-20 Scratch-Dig

Technical Documents
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