Skip Middleton
http://www.shadowcatcherimagery.com
----- Original Message ----- From: "Jay D. Washington" <[EMAIL PROTECTED]>
To: <[email protected]>
Sent: Sunday, February 20, 2005 7:14 PM
Subject: RE: EOS Backfocus with Focus Lock and Recompose
> Any idea why FLR should result in backfocus? "Backfocus" from my > understanding is when the focus tends to be slightly further than the > subject is at...
Here is one possibility: http://visual-vacations.com/Photography/focus-recompose_sucks.htm
Cheers Julian Loke
Thanks Julian.
Wow, that actually makes perfect sense. It's because lenses are designed to
focus on a flat plane that actually varies in distance from the film plane
or CCD/CMOS sensor. For anyone confused just read the article, it makes
much more sense that my summary.
JD
That does make perfect sense, and explains why I'm having a consistent problem with my D30 and 20D, using only the center point, and never had a problem with my A2 and 1n, when I used the end points for portrait shooting...
Skip Middleton
http://www.shadowcatcherimagery.com
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