Tiffen 125mm 80D Color Conversion Filter (Coarse Threads)

Enabling the use of daylight-balanced film under tungsten-lit conditions, this 125mm 80D Color Conversion Filter from Tiffen is a cooling filter used to increase the color temperature from 4200K to 5500K. The blue color of the filter has a filter factor of 1.3x, requiring an additional 0.3 stop of exposure to achieve normal results.