Jeremy Butler writes:

>So, if you see an elliptical changeover cue in the upper right corner of
>the image, you'll know you're watching an anamorphic widescreen film.

And if you see round cues on a picture that is 1:2.35 or wider, you'll know
you're watching 70mm.

L
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Leo Enticknap
Technical Manager
City Screen Cinemas (York) Ltd..
13-17 Coney St., York YO1 9QL.
United Kingdom
Telephone: 01904 612940 (work); 01904 625823 (home); 07710 417383 (mobile)
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Online resources for film/TV studies may be found at ScreenSite
http://www.tcf.ua.edu/ScreenSite