I did mean depth of field, Chuck, thanks, but the other term seemed more
appropriate when looking at Jim's photo. That wikipedia article is pretty
obscure once it starts trying to explain the difference. The author should
have stuck with "lens-to-film" tolerance, in my view.
Chris
On 7 May 2011, at 13:26, Chuck Norcutt wrote:
> I think you mean depth of field, Chris. Depth of focus is a related
> term but applies to the image side of the lens rather than the object
> side of the lens. See: <http://en.wikipedia.org/wiki/Depth_of_focus>
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