Formatt Hitech 4x5 inch Hard Edge Filter Yellow 3

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.