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Old 01-14-2020   #69
wpb
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Join Date: Apr 2005
Posts: 213
Long ago I cut strips of Ilford poly multigrade filters and mounted them to a 3x6" piece of Plexiglas. I put a 1 stop ND filter over grades 0-3, and left grades 4 and 5 without, as the Ilford filters are speed matched. You could throw this over an important area of the negative and and get a good idea how each grade would look on a single strip of paper.
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