Kodak 400 Tri-X is a high-speed panchromatic film that is a good choice for photographing dimly lighted subjects or fast action, for photographing subjects that require good depth of field & fast shutter speeds & for extending the distance range for flash pictures. Recommended for push processing. Single roll with 36 exposures at ISO 400. Features Fine grain, good for producing high-quality images Wide exposure latitude that results in a rich tonality maintained with overexposure & underexposure High sharpness means Tri-X 400 is good for applications that require a moderate degree of enlargement A high resolving power that produces good rendition of detail