Ilford Multigrade Gelatin Filter Set 3 x 3" with Holder

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.

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 3-1/2 x 3-1/2" (8.9 x 8.9cm) and 6 x 6" (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 12 x 12" (30 x 30cm ) are available to special order. .

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

MULTIGRADE filter set with 12 MULTIGRADE filters in plastic mount, one red filter and a holder that can be easily mounted on almost all magnification devices. Especially for use under the magnifying objective. This filter set can be mounted under the enlarger between the lens and the lens board. The filters can then be inserted under the objective. With half steps.