A complete set of 12 Ultrafine Multigrade Variable Contrast filters in 6 inch by 6 inch size.
For use as Ilford Multigrade filters for printing Ilford Multigrade and like brands of papers on unconverted black-and-white enlargers.
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. Provides simple contrast control. Compatible with all Multigrade/Variable Contrast papers currently available.
Twelve Multigrade Filters numbered 00 to 5 in 1/2 steps
To fit the enlarger filter drawer
Very easy to use
Exposure time for filters 00 to 3 1/2 is the same
Exposure time for filters 4 to 5 is double
Dimensions: 3 x 3 in. (7.6 x 7.6cm)