Sorry, this product is no longer offered for sale. The recommended replacement product is CAPX17.

Plano-Convex Infrared Lens, CaF2, 25.4 mm, 500mm EFL, 150-8000nm

Technical Specs

  • Lens Shape
    Plano-Convex
  • Diameter
    25.4 mm
  • Lens Material
    CaF2
  • Antireflection Coating
    Uncoated
  • Surface Quality
    60-40 scratch-dig
  • Surface Accuracy, Irregularity
    1 λ at 633 nm
  • F/#
    19.6  
  • Effective Focal Length (EFL)
    500 mm  
  • Back Focal Length (BFL)
    498.2 mm  
  • Radius of Curvature (R)
    199.99 mm  
  • Edge Thickness (Te)
    2 mm  
  • Center Thickness (Tc)
    2.4 mm  
  • Centration
    ≤3 arc min
  • Diameter Tolerance
    +0/-0.13 mm
  • Center Thickness Tolerance
    ±0.25 mm
  • Clear Aperture
    ≥central 90% of diameter