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Movies Forum Index » Cinematography Forum » Lens Focal Length Conversion
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| Hollywords, LLC |
 Posted: Sat Mar 08, 2008 3:48 pm |
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Guest
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Can someone provide me with (or point me to a Web site that provides)
the conversion factor to translate the angle of view/focal length of a
35mm still camera image to a standard (4-perf/Academy aperture) 35mm
flat image?
For example, if I shoot something with a 50mm lens on a 35mm still
camera, to get the same sort of image with a 35mm film camera, I
assume I need to use a slightly shorter lens (since the image area is
smaller). Given that, I assume there is a scaling factor that will
allow me to take shots with a still camera and calculate what sort of
lens I'd need on a film camera to get that same angle of view/achieve
the effect of that same focal length lens.
If someone's feeling ambitious, I'd also be interested in the scaling
factors between 35mm 4-perf (Academy Aperture) and...
* 35mm Anamorphic
* Super-35
* 16mm
* Super-16
* Super-8
* 65mm
* IMAX
* Any digital camera formats that come to mind.
(I figure I may as well cover my bases.)
Thank you in advance.
--Richard |
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