>Once I had that bit of information, and now I can't find it.  Does anyone
>remember how many feet of film are in a minute of film (or hour...) at 16
>mm. and at 35 mm.?  I need to know to get (hopefully) copyright
>permissions. Thanks.
 
If I may indulge in a little reverse calculation:  In 16mm you've got
40 frames per foot of film.  One minute of film, at 24 fps, takes up
1,440 frames.  Divide that by 40 and you've got your answer:
 
36 feet per minute!
 
(Or, from another perspective:  a standard 100-foot roll runs 167
seconds; a 400-foot roll runs 667 seconds.)
 
I've never worked in 35mm, but I'd guess that it's twice as much since
the frames are twice as big--which would mean 72 feet per minute.
 
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Jeremy Butler
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SCREENsite: http://www.sa.ua.edu/SCREENsite/
Telecommunication & Film/University of Alabama/Tuscaloosa
 
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