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Continuously Variable Neutral Density Filters

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  • Continuous Linear Adjustment of Optical Density
  • Use in Pairs to Control Beam Transmission
  • Ideal for 400 - 700nm

Continuously Variable Neutral Density Filters are ideal for precise adjustments of spectrophotometers, monochromators, and lasers. Optical density varies linearly across the length of these continuously variable neutral density filters. These filters can be used in pairs to control transmission of an optical beam up to 25.4mm in diameter. Continuously Variable Neutral Density Filters are ideal for 400-700nm. The filters are available in 25.4 x 76.2mm dimensions, with varying optical densities.