1. Products
  2. Optics
  3. Optical Filters
  4. Shortpass Filters
  5. Heat-Reflecting Hot Mirrors
  6. 20HMS-0

Hot Mirror, 50.8 x 50.8 mm, 0° AOI, 420-690 nm Transmittance

  • Type
    Hot Mirror
  • Optic Size
    50.8 x 50.8 mm
  • Angle of Incidence
    0° ±15°
  • Transmittance Range
    420-690 nm
  • Transmission
    ≥85%
  • Reflectance Band
    725-1550 nm
  • Reflectance
    Ravg≥90% 725-1550 nm
  • Material
    Borofloat® borosilicate float glass
  • Surface Quality
    80-50 scratch-dig
  • Surface Flatness
    6–8λ per 25.4 mm at 546.1 nm over the clear aperture
  • Thickness
    3.3 mm
  • Thickness Tolerance
    ±0.2 mm
  • Size Tolerance
    ±0.4 mm
  • Clear Aperture
    ≥central 90% of dimensions
  • Temperature Range
    -100 to 500°C
  • Cleaning
    See How to Clean Optics
Other