Ilford Multigrade Gelatin Filter Set 3 x 3" with Holder

Contrast control with multigrade and variable contrast black & white photographic papers can be achieved by using multigrade or variable contrast hand filters. This is one of the most popular methods used by photographers.

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.

Ilford produces twelve Multigrade filters that are numbered 00 - 5 in 1/2 steps, with the lowest filter number corresponding to the softest contrast.

Filters are available in sets of filters 8.9 x 8.9cm and 15.2 x 15.2cm. They can be used above or below the lens and can be cut to fit the enlarger filter drawer.

Filter sizes 30 x 30cm are available for special orders.

Multigrade filters are very easy to use: no complicated calculations are needed when changing from one filter to another. The exposure time for filters 00 - 31/2 is the same; that for filters 4 - 5 is double.