ISO 2907:2002
Cinematography -- Maximum projectable image area on 35 mm motion-picture film -- Position and dimensions
Product Details
ISO 2907:2002 specifies three types of image areas intended for theatrical projection:
Style A: general theatrical release prints commonly referred to as non-anamorphic or wide screen;
Style B: theatrical release prints with an anamorphic image;
Style C: classic theatrical prints.