I'm a happy owner of the same lens, with the same "problem". I'm not sure if the screw is broken. I don't have the lens here, so I can't check it out. But as I recall, it is meant to look like this. Don't remember the details, but try to fiddle more with it, and see if you can get it to fit better. I did, so maybe you can to.
-- MaritimTim http://maritimtim.blogspot.com/ 2010/5/25 Larry Colen <[email protected]>: > I sent this off a while ago, but it seems to have gotten eaten by the email > monster. Anyways, I also found reference to a place called ICT: > http://www.ictcamera.com/About/about.html > > Does anybody know them? > > Larry > > On May 25, 2010, at 1:28 AM, Larry Colen wrote: > >> I took the Tamron 300/2.8 down to Rio Del Mar beach this evening after >> work to try it out. I used it mostly wide open both at 300 and with the 2x >> teleconverter. If you're interested in such things, my test shots are at: >> http://www.flickr.com/photos/ellarsee/sets/72157624131534950/ >> Mostly seagulls, no brick walls. >> >> Overall, I'm very happy with the lens optically. I'm not sure how much >> sharper than my bigma it is, but it's a lot faster, and the bokeh is worlds >> better. >> >> The problem is that the knob that keeps the lens from rotating in the >> mount collar is broken: >> http://www.flickr.com/photos/ellarsee/sets/72157624007840333/ >> >> This isn't a huge deal on a tripod with a pan head, but on a monopod with >> a ball head, it's very tough to use. If I loosen up the ball head, it just >> rotates and falls over. >> >> I suspect that if I had no choice but to repair it myself, I probably >> could. But, it also seems that repair would mean pretty much disassembling >> the whole unit. Now that Kamera Korner has closed, the only local repair >> shop I know is on Bascom in San Jose: >> http://www.cameraandvideorepair.com/english/contact_us.html >> >> I also found CPS in Sacramento: >> http://www.camrepair.com/ >> >> Is there any place else that I should check? >> >> Larry >> >> -- >> Larry Colen [email protected] sent from i4est >> >> >> >> > > -- > Larry Colen [email protected] sent from i4est > > > > > > -- > 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. > -- 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.

