Is the current lens focus fracas something that's just being noticed with the advent of the ability to discern and correct/adjust or is it something new? Makes me a bit uneasy and suspicious of all my lenses. Did B&H press for the "controlled conditions" applied in testing your 16~50 prior to agreeing to replace it?
Jack --- 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 > 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. > ____________________________________________________________________________________ You rock. That's why Blockbuster's offering you one month of Blockbuster Total Access, No Cost. http://tc.deals.yahoo.com/tc/blockbuster/text5.com -- 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.
