Polished Aspheric Lens, Plano-Convex, L-BAL35, 15 mm, 22.5 mm EFL, Uncoated

Specifications

  • Lens Shape
    Plano-Convex Aspheric
  • Diameter
    15.0 mm
  • Antireflection Coating
    Uncoated
  • Lens Material
    L-BAL 35 (589/611)
  • Surface Quality
    60-40 scratch-dig
  • Surface Accuracy
    0.75 µm RMS
  • Effective Focal Length (EFL)
    22.5 mm  
  • Back Focal Length (BFL)
    19.98 mm  
  • Center Thickness (T<sub>c</sub>)
    4.00 mm  
  • F/#
    1.5
  • Radius of Curvature (R)
    13.26 mm  
  • Design Wavelength
    587.6 nm
  • Shape S2
    Plano
  • Diameter Tolerance
    +0.0/-0.1 mm
  • Center Thickness Tolerance
    ±0.1 mm
  • Clear Aperture
    90% of central diameter
  • Substrate Centering of Ruled Area
    3-5 arc min

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