Cylindrical Lens, Plano-Concave, 50.8x19mm, -25.4 mm FL, FS, 245-440 nm

Technical Specs

  • Lens Type
    Cylindrical
  • Lens Shape
    Plano-Concave
  • Size
    50.8 x 19.05 mm
  • Center Thickness (Tc)
    2.5 mm  
  • Edge Thickness (Te)
    6.73 mm  
  • Lens Material
    UV Grade Fused Silica
  • Antireflection Coating
    245-440 nm
  • Coating Code
    AR.10
  • Surface Quality
    40-20 scratch-dig
  • Surface Flatness
    λ/2-λ/4
  • Effective Focal Length (EFL)
    -25.4 mm  
  • Back Focal Length (BFL)
    -27.11 mm  
  • Thickness
    2.5 mm  
  • Principal Plane 2 (P2)
    -1.71 mm  
  • Radius of Curvature (R)
    -11.68 mm  
  • Focal Length Tolerance
    ± 2.0%
  • Center Thickness Tolerance
    +0.5/-0.25 mm
  • Clear Aperture
    ≥central 80% of dimensions
  • Cleaning
  • f/Y
    -1.3
  • Wedge
    <1 mrad in X axis