[Sidefx-houdini-list] film size to digital focal length
luca at cinesite.co.uk
Tue Jun 19 06:18:39 EDT 2007
How r u?
I was thinking this would get you starting:
Adrian Lee wrote:
> Morning all,
> Does anyone have a reliable way of equating given focal length to
> cameras. Or maybe a look up table
> I have a shot and I am unable to track and get the info that way.
> The shot info is limited, but I have been given,
> lens - 40mm
> medium close up focus - 5 feet 6 inches
> I know it is shot on a phantom high speed camera with a a inch x inch
> producing a 1024x1024 image.
> Any help would be very welcome
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