Thanks for the tip - sure enough if I hold down the DOF preview lever, the clicking disappears. Good to hear that you haven't had a problem with it, I think I'll leave it as is too - I only paid $35 for the lens.
on 3/5/02 5:11 AM, Vlad L. Loukiantchenko at [EMAIL PROTECTED] wrote: > Hi, Matt. > > I have the same problem with mine too. Under careful investigation I've > found that this noise is produced by rubbing of aperture mechanism's closing > spring against something (maybe lens barrel). This phenomenon has happened > in strained state of that spring only: mounted lens (body holds aperture > actuator on the lens in its down position). With my lens this has append > only when aperture ring set to highest numerical value (16-32) - in this > case more strain is applied to the spring. > > Ok, enough theory ;o) How to fix it? I think it's better to leave as is > (taking into account lens' price and technician work's one ;-) I have no > problem with this though I use this lens frequently enough... > > My congratulations with your new MX (wow... only don't put on the shell all > your other cameras like I've done ;o) and M135/3.5 lens, > > Good luck, Vlad > > P.S. I like the M135/3.5 lens - very sharp, compact, built in hood, etc. > except it has harsh bokeh for my taste ;o( > > ----- Original Message ----- > From: "Matt Bevers" <[EMAIL PROTECTED]> > To: <[EMAIL PROTECTED]> > Sent: Tuesday, March 05, 2002 01:33 > Subject: Lens "clicks" when focusing > > >> Hi all - just joined the list thanks to the recent purchase of an MX. >> >> I also just picked up an M 135/3.5 off Ebay, which appears to be in >> excellent shape. However, when mounted on the camera, the lens makes a >> "clicking" noise that increases in pitch when focusing from about 12ft > (4m) >> to infinity. No such noise is made when the focus is turned if the lens > is >> off the camera, and I can't hear anything at shorter focus distances. >> >> Any ideas what this might be? >> >> -Matt >> - >> This message is from the Pentax-Discuss Mail List. To unsubscribe, >> go to http://www.pdml.net and follow the directions. Don't forget to >> visit the Pentax Users' Gallery at http://pug.komkon.org . > - > This message is from the Pentax-Discuss Mail List. To unsubscribe, > go to http://www.pdml.net and follow the directions. Don't forget to > visit the Pentax Users' Gallery at http://pug.komkon.org . - This message is from the Pentax-Discuss Mail List. To unsubscribe, go to http://www.pdml.net and follow the directions. Don't forget to visit the Pentax Users' Gallery at http://pug.komkon.org .
