Film format
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A film format is a technical definition of a set of standard characteristics regarding image capture on photographic film for still images or film stock for filmmaking. It can also apply to projected
A cartridge of Kodak 35 mm (135) film for cameras.
Sheet film
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Sheet film is large format and medium format photographic film supplied on individual sheets of acetate or polyester film base rather than rolls. Sheet film was initially supplied as an alternative to
Holder with a sheet of color film (for demonstration only—ambient light would ruin film)
Developed Ilford FP4 13x18 Negative