[Sidefx-houdini-list] camera aperture

Sai modelingfactory at gmail.com
Thu Apr 9 12:11:26 EDT 2009


I too would like to know more about it.I just bought a canon HV30 and
35mm adapter
and wondering how can I calculate the value to something Houdini can understand.

On Thu, Apr 9, 2009 at 12:04 PM, Ben Frost <benfrost3d at gmail.com> wrote:
> 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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