P3D Re: 2519 - focus

[michaelk@xxxxxxxxxxxxxxxxxx (Michael Kersenbrock)]

> > 	On a related topic, I want to note that I'm sometimes irritated by what I
> > think is a certain imprecision in the terms that we all use.
> > ... [deleted] ...
> > Also, we use "depth of field" to describe the limits of a lens under specific
> > circumstances to register the full range of a scene with acuity.  But we're
> > not really talking about the "field" here; rather we're talking about the
~
> Sorry Jim (and others who replied), but the terms "depth of field" and
> "depth of focus" are very clearly defined in photography, and cannot be
> interchanged. 
> 
> Depth of field refers to the distance range in front of and behind the
> subject - the point of focus - which will be rendered acceptably sharp;

I think the DOF term becomes more obviously sensible if just one word
is added to make it DOTF: "Depth of the field".  Field is the size/width,
and the visible (focused) depth of that field, is, well, "depth of (the) field".

Makes plain'ol sense to me.  :-)

Mike K.


P.S. - The new 24" monitor (Trinitron technology, I can see the wires) is
       magnificent, and not curved all that much, new attached computer
       isn't bad either :-).


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