The different aspect ratios in APS are just created by cropping. Every exposure is full frame 16.7mm x 30.2mm (9x16 ratio), and for "panoramic" it's just cropped in the printing step, throwing out the top and bottom of the image, to a 1x3 ratio. For "classic" the sides are cut off to get 4x3. The aspect ratio selected at the time of picture taking is recorded magnetically on the film for the automatic processors to decode.
The different aspect ratios in APS are just created by cropping. Every exposure is full frame 16.7mm x 30.2mm (9x16 ratio), and for "panoramic" it's just cropped in the printing step, throwing out the top and bottom of the image, to a 1x3 ratio. For "classic" the sides are cut off to get 4x3. The aspect ratio selected at the time of picture taking is recorded magnetically on the film for the automatic processors to decode.
posted by zsazsa 19 years ago
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