[jitter] distance vs. lens angle

http://www.webcamsoft.com/en/faq/lens_calc.html
http://www.google.co.il/search?&q=+Lens+Calculator

On Mon, Mar 31, 2008 at 11:11 PM, Brecht Debackere <brecht at autofasurer.net>
wrote:

> Hi!
>
> Is there someone who can guide me to some information regarding the
> relation between the lens angle and the distance of the camera?
> I want to move the camera away or towards an object in relation to
> the lens angle so that the relative size on screen of the object
> stays the same...
>
> thx!.
> B.
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