[Sidefx-houdini-list] camera aperture

Ben Frost benfrost3d at gmail.com
Thu Apr 9 12:04:38 EDT 2009

I think I'm right in saying that the aperture in houdini is the film-back..
or sensor size..
This is constant and can be looked up in the camera manual or online.. be
wary of the way that the measurements have been taken thoght. some are
diaginal and others are worked out by x & y..

2009/4/9 P. Alex Lim <list at poh-yee.com>

> Hi List!
> I guess it never occurred to me to wonder about this until a few days
> ago... What kind of information will one need at hand in order to get
> a much more accurate camera aperture? I've been told that having a
> much more accurate camera aperture would yield a much better tracking
> result, so I wondered if there's any possible way of knowing the
> aperture without relying on the tracking software to guess?
> Thanks so much! :)
> Alex
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