Kodaks Professional T-Max 400 is a high-speed panchromatic black & white negative film featuring a unique T-GRAIN emulsion to provide a very fine grain structure with a high degree of sharpness & edge detail. It has a nominal sensitivity of ISO 40027 along with a wide exposure latitude for rating the film up to EI 1600 & push developing. Its versatility benefits working in difficult lighting conditions & with moving subjects & its fine grain profile broad tonal range & high resolving power benefit scanning & enlarging applications. in addition the film is well-suited to scientific & biomedical work especially when fluorescence in photography is required.