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[OM] Re: It's happened. I've relented.

Subject: [OM] Re: It's happened. I've relented.
From: Wayne Harridge <wayneharridge@xxxxxxxxxxxxxxx>
Date: Thu, 16 Mar 2006 08:30:46 +1100




> Wayne S <om4t@xxxxxxxx> wrote:
> 
> Since the dust in not directly at the focal point, just like small
> apertures increase DOF, they have a similar effect close to the focal
> plane, making the dust more in focus.
> 

So it just makes the shadow of the dust particle sharper because you're using 
more of a "point source" - fair enough.

...Wayne 

Wayne Harridge

http://lrh.structuregraphs.com

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