Canon EOS R6 Advanced User Guide - Page 786

C.Fn4 Add cropping information Adding cropping information displays vertical lines for the aspect ratio specified in shooting, so that you can compose shots as if shooting with a medium- or large-format camera (6×6 cm, 4×5 inch, and so on). When you shoot, instead of cropping images recorded to the card, the camera adds aspect ratio information to images for cropping in the Digital Photo Professional (EOS software). You can import images to Digital Photo Professional on a computer and easily crop images to the aspect ratio set at the time of shooting. OFF: Disable 6:6: Aspect ratio 6:6 3:4: Aspect ratio 3:4 4:5: Aspect ratio 4:5 6:7: Aspect ratio 6:7 5:6: Aspect ratio 10:12 5:7: Aspect ratio 5:7 Caution Cropping information can only be added when [ : Cropping/aspect ratio] is set to [Full-frame]. JPEG or HEIF images are not saved at the cropped size if you use the camera to process RAW images with cropping information ( ). In this case, RAW processing produces JPEG or HEIF images with cropping information. Note Lines indicating your specified aspect ratio are displayed on the screen. 786