Plano-Convex Lens, Sapphire, 25.4 mm, 50.0 mm FL, 150–5000 nm

Technical Specs

  • Lens Shape
    Plano-Convex
  • Diameter
    25.4 mm
  • Lens Material
    Sapphire
  • Antireflection Coating
    Uncoated
  • Surface Quality
    60-40 scratch-dig
  • F/#
    2  
  • Effective Focal Length (EFL)
    50.0 mm  
  • Back Focal Length (BFL)
    47.2 mm  
  • Radius of Curvature (R)
    38.41 mm  
  • Edge Thickness (Te)
    1.5 mm  
  • Center Thickness (Tc)
    3.6 mm  
  • Design Wavelength
    589 nm
  • Centration
    ≤3 arc min
  • Diameter Tolerance
    +0/-0.25 mm
  • Center Thickness Tolerance
    ±0.25 mm
  • Clear Aperture
    ≥central 90% of diameter

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