1. Products
  2. Optics
  3. Optical Lenses
  4. Plano-Convex Lenses
  5. N-BK7 Plano-Convex Lenses
  6. MgF2 Visible N-BK7 Plano-Convex Lenses

MgF2 Visible N-BK7 Plano-Convex Lenses

Specifications

  • Lens Shape
    Plano-Convex
  • Lens Material
    N-BK7
  • Antireflection Coating
    400-700 nm
  • Coating Type
    Visible Single-Layer MgF2
  • Coating Code
    -C
  • Damage Threshold
    7 J/cm², 10 ns pulses, 20 Hz at 532 nm
  • Surface Accuracy, Irregularity
    λ/4 (40-20 scratch-dig models)
    λ/2 (60-40 scratch-dig models)
  • Surface Accuracy, Power
    1.5λ (40-20 scratch-dig models)
    2.5λ (60-40 scratch-dig models)
  • Edge Thickness (T<sub>e</sub>)
    3.0 mm
  • Chamfers Angle/Tolerance
    45° ±15°, typical
  • Focal Length Tolerance
    ±1 % (40-20 scratch-dig models)
    ±2 % (60-40 scratch-dig models)
  • Diameter Tolerance
    +0/-0.1 mm (40-20 scratch-dig models)
    +0/-0.15 mm (60-40 scratch-dig models)
  • Center Thickness Tolerance
    ±0.1 mm (40-20 scratch-dig models)
    ±0.2 mm (60-40 scratch-dig models)
  • Clear Aperture
    ≥central 90% of diameter
  • Cleaning
    See How to Clean Optics

Resources & Downloads