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Focal Length Multiplier for 1/3" and 2/3" Cameras


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#1 drew_town

drew_town
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Posted 19 December 2008 - 10:33 AM

Hey everyone,

Could someone please tell me what the focal length multiplier for a 1/3" camera and a 2/3" camera is compared to the standard 35mm camera? Thanks.
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#2 David Mullen ASC

David Mullen ASC
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Posted 19 December 2008 - 11:03 AM

Hey everyone,

Could someone please tell me what the focal length multiplier for a 1/3" camera and a 2/3" camera is compared to the standard 35mm camera? Thanks.


If you're talking about the standard 35mm movie camera, not FF35 still photography, then I believe you'd divide the 35mm focal length by 2.5 to get the 2/3" equivalent and by 5 to get the 1/3" equivalent.

But there are conversion programs to figure this stuff out, like at:
http://www.panavisio...base.asp?cat=13
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