At the beginning of photography, a film format of 9×12cm or 4×5in was considered normal, so the first cameras using the 35mm film were called miniature cameras. This is why all the cameras with a smaller format have been called subminiature cameras. There was a huge variety of formats, mainly on 16mm and 9.5mm film. The most representative camera is the Minox 9.5mm.

Some people consider the 18×24mm format (half-frame format) as subminiature. The real half film format was 17.5 mm, very popular after WWII in Japan. The leading camera type for that format was the Hit. The Hit cameras were copied by dozens of camera makers.


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