Formatt BF4X5ND9HD4 - HItech Glass 4x5.65

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 color or contrast. ND's are made in different densities according to the level of light reduction from 1/3 to as much as 10 stops of light. The 0.9 ND reduces light by 3 stops. The filter is also available in 100mm, 144mm, 127mm and 168mm sizes. Formatt-Hitech glass filters are made from the world's highest quality optical glass, Schott Superwite.


Features: 4x5.65" (100x144mm) Glass Standard Neutral Density


- Made from the world's highest quality optical glass, Schott Superwite

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