 | | | "real " cameras in xsi | "real " cameras in xsi 2005-06-12 - By Stefan Andersson
Back
Thanks for the info... I'll see if I can figure this out :)
regards
stefan andersson
On 6/12/05, Dirk <news4dirk@(protected)> wrote:
> To determine the field of view use this formula
>
> alpha = 2*arctan(d/(2*b)
>
> To dertermine the focal length convert the formula as follows
>
> b = d/(2*tan(alpha/2))
>
> with
> alpha = aperture angle (FOV)
> d = 24.892mm (for horizontal)
> d = 18.912mm (for vertical)
> b = focal length in mm
>
> Pay attention to the different film back values for the horizontal an
> vertical measurement.
> XSI unfortunately don't convert vertical to horizontal FOV automatically
> if you switch from one
> to the other.
>
>
>
> Stefan Andersson wrote:
>
> >Is there anyone out there that has a conversion script or something to
> >convert camera info to "xsi camera info".
> >When I try matching footage and have all the info from the client, I
> >still end up "eyeballing" it because I have no idea on how to convert
> >the info to xsi.
> >
> >regards
> >stefan andersson
> >
> >
> >
> >
>
> ---
> Unsubscribe? Mail Majordomo@(protected) with the following text in body:
> unsubscribe xsi
>
--
http://www.sanders3d.com/
---
Unsubscribe? Mail Majordomo@(protected) with the following text in body:
unsubscribe xsi
|
|
|