T3D Re: Phanto-cam Lens system

[Larry Berlin <lberlin@xxxxxxxxx>]

>Date: Mon, 26 Apr 1999 
>From: boris@xxxxxxxxxxxx (Boris Starosta)
>.................
>Question still exists regarding brightness/exposure performance of any optics.
>
>>The other choice is to use pinholes.
>
>As you go very much off center, and in particular, as the image may span a
>broad angle (close and far off center), would not the optics produce a
>different level of illumination as you get farther and farther off center?
>
>How to solve?
>
>Boris
>


It seems logical that this might happen. Perhaps develop the neg for some
average illumination and use a specialized printing process in which a
gradient affecting brightness is applied to the image to correct the
balance? Or in the studio, one might arrange for greater illumination for
distant parts of a scene?

On the other hand, a lens system is a method of gathering light. If it's
optimized for the off axis image capture, wouldn't it's light distribution
be centered off axis too? At least to some degree?

If a difference can be corrected after exposure, is that really a problem?

Larry Berlin

Email: lberlin@xxxxxxxxx
http://3dzine.simplenet.com/


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