Plano-Concave Lens, Nano-Textured Fused Silica, 12.7 mm, -75 mm EFL, 500-1100 nm

Technical Specs

  • Lens Shape
    Plano-Concave
  • Diameter
    12.7 mm
  • Lens Material
    High Purity Fused Silica
  • Antireflection Coating
    R<0.1% @ 500-800 nm, R<0.3% @ 900-1100 nm
  • Surface Quality
    10-5 scratch-dig
  • Surface Accuracy, Irregularity
    λ/10 at 632.8 nm, power removed
  • Effective Focal Length (EFL)
    -75 mm
  • Radius of Curvature (R)
    -38.14 mm
  • Edge Thickness (Te)
    3.7 mm
  • Center Thickness (Tc)
    3.2 mm
  • Chamfers
    0.4 mm bevel
  • Chamfers Angle/Tolerance
    45 ±15°
  • Clear Aperture
    ≥ central 67% of diameter