1. Products
  2. Optics
  3. Optical Lenses
  4. Plano-Convex Lenses
  5. N-BK7 Plano-Convex Lenses
  6. Uncoated N-BK7 Plano-Convex Lenses
  7. KPX606

Plano-Convex Lens, ValuMax, N-BK7, 25.4 mm, 200 mm EFL, Uncoated

  • Lens Shape
    Plano-Convex
  • Diameter
    25.4 mm
  • Lens Material
    N-BK7
  • Antireflection Coating
    Uncoated
  • Surface Quality
    60-40 scratch-dig
  • Surface Accuracy, Irregularity
    λ/2
  • Surface Accuracy, Power
    2.5 λ  
  • F/#
    7.8  
  • Effective Focal Length (EFL)
    200 mm  
  • Back Focal Length (BFL)
    197.50 mm  
  • Radius of Curvature (R)
    103.360 mm  
  • Edge Thickness (Te)
    3.0 mm  
  • Center Thickness (Tc)
    3.78 mm  
  • Principal Plane 2 (P2)
    -2.49 mm  
  • Design Wavelength
    546.1 nm
  • Centration
    ≤3 arc min
  • Chamfers
    0.25-0.75 mm
  • Chamfers Angle/Tolerance
    45° ±15°, typical
  • Focal Length Tolerance
    ±2 %
  • Diameter Tolerance
    +0/-0.15 mm
  • Center Thickness Tolerance
    ±0.2 mm
  • Clear Aperture
    ≥central 90% of diameter
  • Cleaning
    See How to Clean Optics
Software
Other