35mm Film

Film basics

The 35mm format for film was first developed on an experimental scale in Thomas A. Edison's laboratory more than 120 years ago. Edison's associate William Dickson created devices for photographing and viewing moving images on film loops 35mm wide, for which Edison filed a patent in 1891
Miniature format In contrast to the plate and roll-film cameras of the early 20th century, 35mm was regarded as a "miniature format" or "Kleinbild (KB)". The term is often seen in advertising and other photographic writings from the era (such as the US magazine title Minicam), but was also used for cameras that shot the smaller frame formats onto type No. 127 film, for example the Falcon Miniature. As the quality of film stocks improved, there was a growing acceptance of 35mm for professional work; so by the 1960s the term "miniature" had essentially fallen out of use. Miniature is good as historical term to distinguish this class of cameras from subminiature and medium format cameras.
Full Frame A digital image sensor with the frame size 24×36mm of the standard 35mm film format is called a "full frame" sensor. So just 90 years after the Leica 0 pre-series its format celebrates a Renaissance since it's digitally no more limited to some digital SLRs but also available in digital compact cameras, digital mirrorless system cameras, and even in the newest digital Leica rangefinder cameras.
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