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Formatt Hitech 4x4 Inch Prostop Neutral Density 3.0 Filter for Lee Filter Holder

  • 100mm is a popular size for DSLR cinematographers and photographers using high quality lenses.

  • Fits the Formatt-Hitech 100mm holder system, so a single filter is usable on multiple lenses.

  • Made from the highest quality optical resin available, with an index of refraction nearly identical to the finest optical glass.

  • High scratch resistance, low material fatigue, and chamfered corners to resist breakage so the filter will provide years of service.

  • Made in the UK using the world’s most advanced, computer-controlled filter manufacturing technologies.

SKU: 5052618007808
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Formatt Hitech


Product Description


Neutral Density (or ND) filters produce a grey neutral effect and are used to reduce light in photography, enabling more control over exposure and depth of field without affecting colour or contrast.

NDs are made in different densities according to the level of light reduction from 1/3 to as much as 10 Stops of light. ProStop filters are a specialist range of high density NDs used to create motion blur in long exposure shots and can help create startling effects in water, cloud and other moving objects. The range is available in densities from 6 to 10 Stops.

ProStops include a foam gasket which sits between the filter and the holder to help eliminate light leakage. The gasket on this filter has been made in a size to enable the filter to fit LEE 100mm holder systems. It should only be purchased if you have a Lee holder system. A filter with a different size gasket is available for other systems.

Additional Information

Manufacturer Part Number HT100NDPS3.0L
Condition New