Re: Effects of lens length

[P3D Marvin Jones <72657.3276@xxxxxxxxxxxxxx>]

> Now that I think about it, I believe George is correct. The effect
> in "Vertigo" was created by moving the camera position, and adjusting
> the zoom factor to keep the actor's image the same size. The actor/
> background relationship change was due to the change in camera position
> rather than the change of "zoom".
> 
Yes, I was failing to take into account the change in position of the camera.
The only other thing that would affect making a stereo pair in the situation you
suggest (and I'm on firmer ground here) is that different focal length lenses
have different depths of field, which could affect focus in some situations.


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