Camera Filters: 80 Series (Blue) Filter

Category: Colour Temperature Conversion

This blue filter is used for exposing daylight type colour materials under tungsten illumination.

80a is used under 3200k tungsten light & converts 3200-5500k, with exposure of +2.
80b is used under 3400k tungsten light & converts 3400-5500k, with exposure +1 2/3.
80c is used under 3800k tungsten light & converts 3800-5500k, with exposure +1.
80d is used under 4200k tungsten light & converts 4200-5500k, with exposure +1/3.

This filter will give a significant adjustment in colour temperature.