Mulitgrade Filter Starter Set 8.9 X 8.9 cm

Contrast control with multigrade and variable contrast black & white photographic papers can be achieved in several ways. One of the most widely used ways is through the use multigrade or variable contrast hand filters.

A magenta filter absorbs green light and transmits blue;

A yellow filter absorbs blue light and transmits green.

In this way, high and low contrast images can be made.