Edmund Optics Inc. 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
|These neutral density filters are continuously variable over 270° of the filter. Circular variable filters provide linear attenuation of incident light by rotating the filter. Designed to be spectrally flat...|