ND Optical Filter, Circular Variable Metallic, UV Silica, 127 mm, 0.05-2.0 OD

Technical Specs

  • Size
    Ø127.0 mm
  • Optical Density
    0.05 - 2
  • Optical Density Tolerance
    ±0.15 over 270° at 0° AOI
  • Material
    UV Grade Fused Silica
  • Durability
    Metalized area MIL-M-13508C, AR coated area MIL-C-675, moderate abrasion
  • Size Tolerance
    +0/-0.25 mm
  • Surface Flatness
    ≤λ/2
  • Surface Quality
    30-10 scratch-dig
  • Chamfers
    0.50–1.52 mm face width
  • Chamfers Angle Tolerance
    45° ±15°
  • Cleaning
  • Clear Aperture
    From 33 mm to 101 mm diameter
  • Damage Threshold
    75 W/cm2 CW, 10 mJ/cm2 with 10 nsec pulses at the specified wavelength, typical
  • Thickness
    9.53 mm
  • Thickness Tolerance
    ±0.38 mm
  • Inside Diameter
    25.4 mm