Condenser Lens, Bi-Convex Aspheric, 9.0 mm, 6.78 mm EFL, Uncoated

Technical Specs

  • Lens Type
    Aspheric Condenser
  • Lens Shape
    Bi-Convex Aspheric
  • Diameter
    9.0 mm
  • Antireflection Coating
    Uncoated
  • Lens Material
    B270 or equivalent
  • Surface Quality
    80-50 scratch-dig
  • Effective Focal Length (EFL)
    6.78 mm  
  • Back Focal Length (BFL)
    4.08 mm  
  • Edge Thickness (Te)
    1.4 mm  
  • F/#
    0.8
  • Principal Plane 2 (P2)
    -2.7 mm  
  • Design Wavelength
    587.6 nm
  • Centration
    ±50 arc min
  • Radius 2
    11.90 mm  
  • Shape S2
    Convex
  • Clear Aperture
    8.3 mm
  • Thickness, Center 1
    5.0 mm  
  • Cleaning
  • Wedge
    Dia. <10, ±30 arc min; 10 <25, ±35 arc min;25 <70, ±30 arc min; 75, ±20 arc min