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  4. Longpass Filters
  5. Colored Glass Alternative Longpass Filters
  6. 5CGA-850

Longpass Filter, Colored-Glass Alternative, 12.7 mm, 850 nm Cut-on

12.7 mm dimater colored glass alternative optical filter
  • Type
    Colored Glass Alternative Longpass Filter
  • Optic Size
    Ø12.7 mm
  • Cut-on Wavelength
    850 nm
  • Cut-on Wavelength Tolerance
    ±8 nm
  • Effective Index of Refraction
    1.8
  • Surface Quality
    80-50 scratch-dig
  • Thickness
    1.1 mm
  • Thickness Tolerance
    ±0.1 mm
  • Size Tolerance
    ±0.13 mm
  • Clear Aperture
    ≥90% of filter size with film-to-the-edge
  • Temperature Range
    -100 to 400°C
  • Humidity Resistance
    MIL-STD-810, Method 507.3, Procedure III, Modified to 40 cycles
  • Abrasion, Adhesion, Hardness
    MIL-C-48497
  • Cleaning
    See How to Clean Optics
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