Lots of similar complains over on Pentaxforums. Thanks for spending the time on this Paul.
My K10D is still at Pentax, but i'm glad i started to do my tests. Dave On Tue, Apr 8, 2008 at 6:02 PM, Paul Stenquist <[EMAIL PROTECTED]> wrote: > I decided to continue my upgrade of the medium zooms with the > addition of the DA* 16-50/2.8. It's an ideal lens for event > photography, which I've been doing more often. My lens arrived > Monday. I tried to adjust the focal point yesterday using the Nikon > chart. I had a lot of problems getting a compromise reading at the > various focal lengths. More disturbing was the fact that the left > side of the chart and the right side of the chart weren't focusing on > the same plane. I conferred off list with Joe Tainter, who is well > informed on these problems and decided to test further. Today I > tested the lens by shooting a flat wooden deck off the tripod. The > level of the deck and the camera were checked and matched with a > bubble gauge. The lens is definitely our of whack by a considerable > amount. It's easily noticeable in this sort of test at 2.8 and all > focal lengths and still somewhat noticeable at 50mm, f5.6. It's on > its way back to B&H and a replacement is on its way to me. In normal > shooting early yesterday the problem wasn't noticeable. (I have a > nice pic of Grace playing hopscotch:-). Anyone who has purchased this > lens should test their sample under controlled conditions. > > -- > PDML Pentax-Discuss Mail List > [email protected] > http://pdml.net/mailman/listinfo/pdml_pdml.net > to UNSUBSCRIBE from the PDML, please visit the link directly above and > follow the directions. > -- Equine Photography www.caughtinmotion.com http://brooksinthecountry.blogspot.com/ Ontario Canada -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
