ND Filter Set, Metallic, UV Fused Silica, 50.8 x 50.8 mm, Inc. 8 Filters

Technical Specs

  • Size
    50.8 x 50.8 mm
  • Wavelength Range
    350 - 2000 nm
  • Material
    UV grade fused silica
  • Angle of Incidence
  • Wedge
    ≤3 arc min
  • Durability
    MIL-C-48497A, adhesion, humidity, moderate abrasion, and solubility requirements
  • Surface Quality
    60-40 scratch-dig
  • Chamfers
    0.25–0.76 mm face width
  • Chamfers Angle Tolerance
    45° ±15°
  • Cleaning
  • Clear Aperture
    ≥central 80% of dimensions
  • Damage Threshold
    30 W/cm2 CW, typical; not recommended for pulsed laser use
  • Thickness
    3.0 mm
  • Thickness Tolerance
    ±0.25 mm

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