What is a 120 camera and what is the difference between it and a 135 camera?

120 camera usually refers to the medium-sized format camera, 120 means that the camera uses 120 film.

120 camera and 135 camera difference:

1, the use of film is different.120 camera with 120 film width of 61.5mm, length of 81.5-84mm film; 135 camera with 135 film 135 film originates from 35mm height of perforated movie film.

2, the picture frame is different. 120 cameras take pictures of the picture frame is wider than 135 cameras.

3, the production of different years. 1901, Brownie and designed the Brownie No. 2 camera, the screen size of 57x83 mm, film No. 120. This type of camera, then very popular. Brownie camera has been improved, has been produced until 1935;

The first 135 camera, was born in 1913 it is the designer of the German Leica company engineer Oscar Barnack, then a *** do two of these cameras, the purpose is to be used for experimenting with the exposure of film. Ten years later, the German Leica Company determined that the 135 camera certainly had a future, and began mass production of 135.

References:

Baidu Encyclopedia-135 Camera

Baidu Encyclopedia-120 Camera