Roll of 17 metres of film material to process yourself. Sheetware 4x5 Inc. The Fomapan 100 Classic is a panchromatically sensitized black and white negative film. The Fomapan 100 delivers extremely fine grain and a very high resolution. The nominal sensitivity of the Fomapan 100 Classic is ISO 100/21. Its exposure latitude delivers good results within an exposure range from EI 50/18 to EI 400/27. The resolution of the Fomapan 100 Classic: 110 lines/mm.