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Product Catalog

Neutral Density Filters

By: Midwest Optical Systems, Inc.

Designed to reduce light intensity neutrally over a specific wavelength range without affecting image color or contrast. Serves as “sunglasses” for your system and can be used with monochrome or color cameras.

Available in a variety of optical densities Reduce light intensity while maintaining a wide aperture and shallow depth of field Minimize pixel saturation Can be stacked with other Neutral Density Filters to test various optical densities Exceptional surface quality: 40/20 scratch/dig

ND SERIES – VISIBLE (VIS) SPECTRUM Absorptive filter effective from 425 nm to 675 nm Available in optical densities ranging from 0.10 to 6.0

Ni SERIES – BROAD SPECTRUM; VIS/NIR Low reflectivity effective from 400 nm to 1100 nm Available in optical densities ranging from 0.3 to 1.2 Coated on low-expansion, heat-resistant Borofoat® glass

MOUNT AND SIZE OPTIONS: Neutral Density Filters are in-stock and ready-to-ship, and are available in threaded mounts, sizes M13.25 to M105; 25.4™ C-mounts; slip mounts; or unmounted. Custom shapes and sizes are also available.

APPLICATIONS: Neutral Density Filters are often used in intense lighting situations (i.e. molten metal and welding), outdoor aerial imaging and photography. Neutral Density Filters help reduce shutter speed to create blur, preventing a “jello” effect in aerial imaging.

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