Tiffen 4x5.65" 80D 0.3 Stop Color Conversion Filter

The Tiffen 4x5.65" 80D 0.3 Stop Color Conversion Filter helps to increase the color temperature from 4200 to 5500K, allowing the use of daylight-balanced film in tungsten-lit conditions. The cooling effect of this filter requires a 0.3-stop increase in exposure for normal results.This filter is made using ColorCore technology, a process that involves laminating the filter substrate between 2 pieces of optical glass and grinding flat to a tolerance of 1/10,000th of an inch. It measures 4 x 5.65" / 101.6 x 143.51mm.