ND Filter Set, Metallic, UV Fused Silica, 50.8 x 50.8 mm, Qty 8

  • Size
    50.8 x 50.8 mm
  • Wavelength Range
    350-2000 nm
  • Optical Density
    0.03, 0.1, 0.3, 0.5, 1.0, 2.0, 3.0
  • Angle of Incidence
  • Material
    UV Grade Fused Silica
  • Damage Threshold
    30 W/cm2 CW, typical; not recommended for pulsed laser use
  • Thickness
    3.0 mm
  • Thickness Tolerance
    ±0.25 mm
  • Surface Quality
    60-40 scratch-dig
  • Clear Aperture
    ≥central 80% of dimensions
  • Wedge
    ≤3 arc min
  • Chamfers
    0.25-0.76 mm face width
  • Chamfers Angle Tolerance
    45° ±15°
  • Durability
    MIL-C-48497A, adhesion, humidity, moderate abrasion, and solubility requirements
  • Cleaning