Sorry, this product is no longer offered for sale. It was discontinued on Sep 28, 2020.

Plano-Convex Lens, N-BK7, 12.7 mm Diameter, 28.6 mm EFL, Uncoated

Technical Specs

  • Lens Shape
    Plano-Convex
  • Diameter
    12.7 mm
  • Lens Material
    N-BK7
  • Antireflection Coating
    Uncoated
  • Surface Quality
    60-40 scratch-dig
  • F/#
    2.3  
  • Effective Focal Length (EFL)
    28.6 mm  
  • Back Focal Length (BFL)
    26.40 mm  
  • Radius of Curvature (R)
    14.835 mm  
  • Edge Thickness (Te)
    2.0 mm  
  • Center Thickness (Tc)
    3.40 mm  
  • Principal Plane 2 (P2)
    -2.20 mm  
  • Centration
    ≤3 arc min
  • Clear Aperture
    ≥central 90% of diameter
  • Cleaning