Enhance your black and white photos with Kodak 135 Tri-X 400/36. Kodak's Tri-X line is one of the best and most popular in black and white film photography. The unique feature of Tri-X is that it offers a great deal of flexibility in processing. This film allows for consistent contrast from shadows to highlights while maintaining a wide range of gray tones. This 135 Tri-X 400/36 black and white film is the perfect choice for subjects that are poorly lit or require a large depth of field and short exposure times.