Description
ILFORD Multigrade Gelatin Filter Set, available in 3.5×3.5″ or 6×6″.
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.
