Good point, and thanks for this link. The figure I focus on is fairly isolated, and I do consider other elements in the frame as well, but this target should make things easier. Paul -------------- Original message ---------------------- From: Rick Womer <[EMAIL PROTECTED]> > A couple of people have mentioned using printed pages > as test targets for their K10D and K20D focus > adjustments. They may be misleading targets. > > The central focus area is the size of the spot > metering circle--MUCH larger than the little red > square that lights up. If there is more than one item > of detail in that circle, it seems to be random which > one the AF locks on to. > > So, if one is focusing on a page of text, and more > than one line is within the spot metering circle, you > may get misleading results. Focusing on a ruler, > which is certain to have several markings within the > circle, is even worse. > > I strongly recommend using the focus test chart here: > > http://focustestchart.com/chart.html > > Note that it has a single bar to focus on, with the > calibration scales off to the sides where they won't > confuse the AF system. > > It may save lots of time and aggravation. > > Rick > > http://www.photo.net/photos/RickW > > > > ________________________________________________________________________________ > ____ > Be a better friend, newshound, and > know-it-all with Yahoo! Mobile. Try it now. > http://mobile.yahoo.com/;_ylt=Ahu06i62sR8HDtDypao8Wcj9tAcJ > > > -- > PDML Pentax-Discuss Mail List > PDML@pdml.net > http://pdml.net/mailman/listinfo/pdml_pdml.net > to UNSUBSCRIBE from the PDML, please visit the link directly above and follow > the directions.
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