Gurley Precision Instruments Datasheets for Circular Variable Filters

Circular variable filters are doughnut-shaped devices that allow narrow wavelengths from the electromagnetic spectrum to pass through circular substrates, known as segments, located on the units.
Circular Variable Filters: Learn more

Product Name Notes
Circular Variable ND Filters Linear Adjustable Attenuation by Rotation, Variable Density Range from 0.0 to 4.0, Spectral Range: Optically Flat from 400nm to 700nm