A compact cartridge-film format whose small frame enabled very small cameras and unusually tiny lenses.
A compact digital format larger than traditional point-and-shoot sensors but smaller than Four Thirds.
A digital-native sensor format smaller than APS-C, used by Four Thirds and Micro Four Thirds lens systems.
The most common crop-sensor still-photo format, balancing smaller bodies and lenses with strong image quality.
The classic 35 mm still-photo frame, now the reference point for full-frame digital lens design.
A modern digital medium-format size larger than full-frame but smaller than traditional 645 film.
A medium-format film size that trades the larger 6x6 frame for more exposures and a rectangular composition.
The classic square medium-format roll-film frame, known for waist-level cameras and flexible cropping.
A large rectangular roll-film format with a print-friendly shape and a much bigger field than 645.
A large 3:2 roll-film format that gives a medium-format negative with familiar full-frame proportions.
The most common large-format sheet-film size, large enough for camera movements and detailed negatives.
A larger sheet-film format between 4x5 and 8x10, prized for a bigger negative without 8x10 scale.