Frequently Asked Questions

CVND filters can be used for attenuation of white light and laser sources, maintaining light intensity consistency and calibration, large aperture attenuation, and can be used as a variable beamsplitter.

CVND filters can be made on a variety of substrates including N-BK-7, Fused Silica, Ge and ZnSe, among several others.

A Circular Variable Neutral Density Filter is a filter wheel that attenuates light as the filter is rotated.

Yes, custom sizes and densities are available upon request.

Sizes are available from 25mm to over 200mm in diameter. Custom sizes as well.

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