Glass Filters: 80 Series (Blue) Filter

Category: Colour Temperature Conversion

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

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

This filter will give a significant adjustment in colour temperature.