Compare Model Drawings, CAD & Specs Availability Price
Optical Filter, Visible Absorbing, 50.8 x 50.8 mm, Hoya U-330 Glass
$192
In Stock
In Stock
Optical Filter, Visible Absorbing, 50.8 x 50.8 mm, Hoya U-340 Glass
$152
In Stock
In Stock
Optical Filter, Visible Absorbing, 25.4 mm Diameter, Hoya U-330 Glass
$88
In Stock
In Stock
visible absorbing bandpass filter model fsr-u340
Optical Filter, Visible Absorbing, 25.4 mm Diameter, Hoya U-340 Glass
$80
In Stock
In Stock

Specifications

  • Type
    Visible Absorbing Filter
  • Angle of Incidence
  • Size Tolerance
    ±0.3 mm
  • Thickness
    2.0 to 3.0 mm, typical
  • Surface Quality
    60-40 scratch-dig
  • Damage Threshold
    30 W/cm CW2, Typical
  • Wedge
    ≤3 arc min
  • Clear Aperture
    central ≥ 80% of area
  • Chamfers
    Up to 1 mm face width
  • Chamfers Angle Tolerance
    45° ±15°
  • Cleaning

Features

Hoya U-330 or U-340 Glass

Hoya ultraviolet transmitting / visible absorbing filter glass is used to pass UV wavelengths while blocking the visible spectrum.  Please see the transmittance curve for more information.