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What is 135 format or 35mm film?

135 or 35mm film is the most common photographic film format. The film is 35mm wide, and each standard image is 24×36mm. Individual rolls of 35mm film are enclosed in single-spooled light-tight metal canisters. This allows cameras to be loaded even in broad daylight. The end of the film is cut on one side to form a leader so that it is easy for the film to be inserted into a corresponding slot in the camera’s take-up spool.


135 format film comes in both positive and negative, black and white, color, and infrared. Color negative 35mm film can be processed at a drugstore or one-hour lab. 35mm black and white, color slide, and infrared films must be processed at a professional lab.

Cameras such as the Lomo LC-A, Lomography Actionsampler, Lomography Fisheye, Lomography Supersampler and Lomography Oktomat can use any 35mm film.