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May 13, 2017 at 23:12 vote accept JustAGuy
May 13, 2017 at 23:12 comment added JustAGuy NOW it makes sense. Kudos to you my friend.
May 13, 2017 at 23:09 history edited MmmHmm CC BY-SA 3.0
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May 13, 2017 at 23:03 comment added MmmHmm @gilfalko see edits. Film stock is not like a digital container expecting a set amount of data per frame. Prior to exposure, the film reel has no frames, just perf holes that fit the gears and registration (holding) pins which move the film through the camera and hold it still while being exposed.
May 13, 2017 at 23:02 history edited MmmHmm CC BY-SA 3.0
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May 13, 2017 at 22:33 comment added JustAGuy I'll just add that according to wiki the avg 70mm film is 5 perf tall. If you turn it sideways you will need 3 frames to fill a single IMAX frame. en.wikipedia.org/wiki/70_mm_film#Uses_of_70.C2.A0mm
May 13, 2017 at 22:22 comment added JustAGuy There still must be something I'm missing. I would have expected for a certain film format to be of 15x12 so that if you turn it sideways you get 12x15. The second frame from the left will never produce 2 times it's frame size does not matter how many time I flip it.
May 13, 2017 at 21:53 history answered MmmHmm CC BY-SA 3.0