What's the difference between 35mm and 135mm cameras?

There is no 135mm camera, only 135 camera (camera with 135 film), and 135 camera refers to 35mm camera, which is the same.

The film frame of 135 camera is 36x wide and 24mm high, and the total height of the upper and lower square perforations is 35mm. So it is also called 35mm camera.

Extended data

The movie originated from the movie ending at 19. Later, the Germans used Lycra camera (about 1924) to form industrial production. This is the camera that originally used 35mm film. Later, it was recognized that the 35mm film was called 135 film, and the camera of 135 film was called 135 camera. Not all 35mm films are 135, there are 235435 films.

Baidu Encyclopedia-135 camera