Traditional Culture Encyclopedia - Photography and portraiture - Photographic composition questions: How many types of frames are there?

Photographic composition questions: How many types of frames are there?

Basically can be divided into four categories, more than ten kinds of commonly used frames:

Small format (1 10, APS, etc. ), 135 format, medium format (mainly using 120 film, 645/6x6/610/2/617/628).