keithw <[EMAIL PROTECTED]> wrote:

>I could never get excited about DOF review, because my eyes would 
>accommodate so well (I guess) I found it hard to tell where the 
>demarcation was between IN and OUT of focus.
>Of course, there is no such sharp line, but...using the lens 
>aperture-closing feature to determine if something was not quite in 
>focus, well, it just never worked for me.
>
>I use my viewfinder's split image or microprism to obtain focus, and 
>estimate what will be in acceptable focus front and rear based on the 
>lens aperture ring data, at any given setting.

I'd note that I (and several other posters, apparently) almost never use
DOF preview for judging the depth of field. I use it to judge how out of
focus the background is, to look for distracting hotspots and to check
for lens flare that appears only at the specific aperture setting I'm
using.

Despite being called "depth of field preview", the one thing I *don't* I
use this feature for is previewing the depth of field!

-- 
Mark Roberts
Photography and writing
www.robertstech.com

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