[Tig] Fourier, the wiki, DeepFocus...

[Dominic Case]

>And since one can't predetermine exactly where the eye will 
>be looking in a film or TV frame, you can't vignette the edges to lower
res.  

But effectively (and simplistically) this is what a shallow depth of field
does for you. (Which is where we came in, I seem to remember).

Of course out-of-focus images don't save bits or bytes, which rather defeats
the purpose. 

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Dominic Case
Atlab Australia
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