1. Products
  2. Optics
  3. Optical Lenses
  4. Meniscus Lenses
  5. ZnSe Meniscus Lenses
  6. 60698-117

Meniscus Lens, ZnSe, 50.8 mm, 7.5 in. Focal Length, 9.65 mm Edge, DURALENS

  • Lens Shape
    Meniscus
  • Diameter
    50.8 mm
  • Lens Material
    ZnSe
  • Antireflection Coating
    DURALENS™
  • Effective Focal Length (EFL)
    7.5 in.
  • Surface Accuracy, Irregularity
    0.5 Fringe @ 0.633 µm
  • Surface Figure
    2 Fringes @ 0.633 µm
  • Diameter Tolerance
    +0.0/-0.1 mm
  • Edge Thickness (Te)
    9.65 mm
  • Edge Thickness Tolerance
    ±0.1 mm
  • Clear Aperture
    ≥90%
  • Absorption
    <0.20%
  • Transmission
    >99.3%
  • Reflectance
    <0.2%
  • OEM Compatibility
    Bystronic®