Longpass Filter, Colored-Glass Alternative, 25.4 mm, 280 nm Cut-on

Technical Specs

  • Type
    Colored Glass Alternative Longpass Filter
  • Optic Size
    Ø25.4 mm
  • Cut-on Wavelength
    280 nm
  • Cut-on Wavelength Tolerance
    ±5 nm
  • Effective Index of Refraction
    1.94
  • Surface Quality
    80-50 scratch-dig
  • Thickness
    0.96 mm
  • Thickness Tolerance
    ±0.13 mm
  • Size Tolerance
    ±0.005 in.
  • Clear Aperture
    ≥90%percnt; 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