81B Standard 4"x4" Resin Filter

The No.81B Standard is a Color temperature adjustment filter.  Designed to convert the Color characteristics of a light source to balance with the film type in use, they can also be used deliberately to create a warm or cool overall Color cast.  This filter is Pale Amber for fine adjustment.

81B decreases color temperature from 3500 - 3200 degrees Kelvin

Suggested Exposure increase: +1/3 stop.

This filter is 4" x 4" (100 x 100mm) x 2mm thick.