World's sharpest 400-speed B&W film. World's finest-grained 400-speed B&W film. Additional speed for low light and fast action. Push ability up to EI 1600. Maintains subject detail in prints at higher degrees of magnification than conventional films. Kodak T-Max 400 Professional film is a continuous-tone panchromatic black-and-white negative film. It is also useful for scientific and biomedical work, especially when fluorescence photography is required. It has high speed (ISO 400/27 in most developers), very high sharpness, extremely fine grain, and high resolving power; It allows a high degree of enlargement. &Nbsp; included in this Ritz Camera bundle:♦ 1) Kodak 400 max professional ISO 400, 36mm, 36 exposures, Black and white film 5 pack