TPM1 02

Optical Lens by Tian Cheng Optic

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The TPM1 02 from Tian Cheng Optic is a Optical Lens with Wavelength Range 632.8 nm, Focal Length 125 mm, Center Thickness 4 mm, Diameter 25.4 mm, Radius 38.47 mm. More details for TPM1 02 can be seen below.

Product Specifications

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Product Details

  • Part Number
    TPM1 02
  • Manufacturer
    Tian Cheng Optic
  • Description
    632.8 nm BK7 Meniscus Lens with 125 mm Focal length

General Parameters

  • Sub Type
    Meniscus Lens
  • Lens Shape
    Spherical Lens
  • Wavelength Range
    632.8 nm
  • Design Wavelength
    546.1 nm
  • Focal Length
    125 mm
  • Back Focal Length(BFL)
    121.8 mm
  • Effective Focal Length(EFL)
    125 mm
  • Thickness Tolerance
    ±0.2 mm
  • Center Thickness
    4 mm
  • Diameter
    25.4 mm
  • Radius
    38.47 mm
  • Radius 1
    38.47 mm
  • Radius 2
    90 mm
  • Clear Aperture
    > 85%
  • Diameter Tolerance
    +0.00/-0.15 mm
  • Bevel
    0.25 mm x 45 Degree
  • Edge Thickness(ET)
    2.8 mm
  • Centration Error
    <3 arc minutes
  • Refractive index
    1.51
  • Coating
    Uncoated, AR, HR
  • Substrate/Material
    BK7
  • Surface Accuracy
    λ/4 @632.8 nm
  • Surface Quality
    60-40 scratch-dig
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