Included in this Ritz Camera Bundle: &dams; 1) Kodak Professional TRI-X 400/400TX 35mm Black-and-White Film, 24-Exposure Roll 3 Pack Kodak Professional TRI-X 400 Film is high-speed panchromatic films that is a good choice for photographing dimly lighted subjects or fast action for photographing subjects that require good depth of field and fast shutter speeds and for extending the distance range for flash pictures. TRI-X 400 Film is recommended for push-processing applications. Kodak Tri-X Pan is a high-speed panchromatic film ideal for photographing dimly lit subjects or fast action. It also works well for photographing subjects that require good depth of field and fast shutter speeds, and for extending the distance range for flash pictures. This black-and-white film is recommended for push-processing applications.