4X5.650 80A FILTER
The Tiffen 4 x 5.65" 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 and grinding flat to a tolerance of 1/10,000th of an inch. It measures 4 x 5.65" / 101.6 x 143.5mm.
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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