Speed:ISO 100 Film Size:4 x 5' (101.60 x 127mm) Number of Sheets:50 Applications:General Pictorial Photography, Photomicrography, Gross Specimen Documentation, Copy Work Applications Process:All common negative developers Grain:Fine Sharpness:High Exposure Latitude:Wide Push/Pull:Overexposed by 1 EV (as ISO 50/18 deg.) or underexposed by 2 EV (as ISO 400/27 deg.)