Ilford Multigrade Filter Set - 3 in. x 3 in.

Ilford Multigrade Filters are for printing Ilford Multigrade range of papers on unconverted black-and-white enlargers, Ilford has produced complete sets of filters for all contrast grades in half grade steps. Multigrade filters are supplied in 3 inch  by 3 inch square sizes to fit most enlarger's filter drawers, and as a set of mounted filters for below-lens use with a filter holder.

Multigrade filters do not require any recalculation of exposure times when changing between grades 0 and 3, grades 4 to 5 simply requiring twice the exposure.

Features: 

• Provide simple contrast control
• Compatible with all Multigrade and Variable Contrast papers