FILTER: TIFFEN 77MM 80A
The Tiffen 77mm 80A Color Conversion Filter helps to increase the color temperature from 3200 to 5500K, allowing the use of daylight-balanced film in tungsten-lit conditions. The cooling effect of this filter requires a 2-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, grinding flat to a tolerance of 1/10,000th of an inch, and then mounting to precision metal rings. Color conversion filter increases color temperature and provides a cooling effect. Converts 3200 to 5500K for using daylight-balanced film in tungsten-lit conditions. Filter factor of 4 requires a 2-stop increase in exposure.
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