Fomapan Reciprocity

Fomapan Reciprocity is a simple field calculator for correcting long exposures when using Fomapan black and white film. Select your film stock and metered exposure to calculate the corrected exposure time quickly and clearly. Features include: • Reciprocity correction for supported Fomapan films • Full, half and third-stop exposure intervals • Optional ND and coloured filter compensation • Built-in exposure countdown timer • Warning when calculations exceed published data • Light and dark mode support • No accounts, advertising or data collection Designed for photographers working in the studio or out in the field.