 | | | Converting XSI_FOV 2 real FOV | Converting XSI_FOV 2 real FOV 2004-05-12 - By Dan Yargici
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http://www.gregssandbox.com/grules/index.htm
Full of great info.... like I said the first time i posted it ;)
DAN
-- -- Original Message -- --
From: "Sandy Sutherland" <sandy@(protected)>
To: <XSI@(protected)>
Sent: Wednesday, May 12, 2004 11:36 AM
Subject: Re: Converting XSI_FOV 2 real FOV
> On this - can anyone point me in the direction of a table that gives the
> inch sizes for filmbacks!! Saves me having to pop into Matchmover to check!
>
> Ta
>
> S.
>
> -- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- -----
> Sandy Sutherland Digital Doodeller/Technical Director
> The Refinery (Cape) http://www.refinery.co.za
> mailto:sandy@(protected)
> (P) (+27 21) 480 3132 (F) (+27 21) 480 3101
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> -- -- Original Message -- --
> From: "jordibares" <jordibares@(protected)>
> To: <XSI@(protected)>
> Sent: Wednesday, May 12, 2004 10:23 AM
> Subject: Re: Converting XSI_FOV 2 real FOV
>
>
> > On Wed, 12 May 2004 12:35:23 +1000
> > "ozu's mailbot" <mailbot@(protected)> wrote:
> >
> > > Actually, if you are working with XSI, you should forget about the FOV
> parameter altogether, and ONLY use the FocalLength parameter
> > > In the camera property, open the tab called "Projection Plan" and enable
> the check box. set the film aperture to the values needed, and you now have
> a focal length control that uses real camera values.
> > > Remember that according to the American Cinematographer's Manual, Focal
> Lengths are in mm and filmbacks are usually defined in Inches (don't ask
> why, it just is, and sof follows the same convention).
> >
> > And the digital camera manufacturers use mm instead.
> >
> > jb
> >
> > > While you are at it, delete the stupid camera interest, and change your
> rotation order for the camera to be ZXY so that the rotation order match a
> live action pivot, which is Pan,Tilt, Roll...
> > >
> > > OO
> > >
> > > Robert Moodie wrote:
> > > This old chestnut again.
> > >
> > > In order to match in XSI what you have in a real camera you need the
> other
> > > parts of the equation: Aperture and Focal Length.
> > >
> > > Assuming you have this the following equation will create a 'real'
> camera
> > > for you.
> > >
> > > (aTan ( 1/2 Aperture Width / Focal Length )) * 2 = FOV Horizontal
> > >
> > > p.s. You need to set the aperture and focal length in the Camera PPG >
> > > Projection Plane.
> > >
> > > -- -- Original Message -- --
> > > From: "lucas" <lucas@(protected)>
> > > To: <XSI@(protected)>
> > > Sent: Tuesday, May 11, 2004 7:57 AM
> > > Subject: Converting XSI_FOV 2 real FOV
> > >
> > >
> > > Hi List,
> > >
> > > does anybody know of a chart/list that shows the XSI Field-of-View
> > > compared to the ones from real Cameras ?
> > >
> > > Thanks !
> > >
> > > Lucas
> > >
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