Hi Bill, Not that I do not believe you, but I stripped down my 1st 70-210/4 few years ago and I know the nylon washers you mean (white colour right?). As I could see, if you tried to increase the friction by tightening the washers (2) super tight, you might be risking boken washers due to too much pressure over time. However, this is my observation only and I do not know if it was designed this way.
regards, Alan Chan >I have to disagree with Alan, though, regarding repair of zoom creep. Mine >had a slight but noticeable amount of zoom creep when the lens was pointed >vertically. Repair was simple -- just roll up the rubber barrel cover near >the rear of the lens and tighten the two screws with a jeweler's >screwdriver. I don't have a problem with creep now. It appeared to me >that >those nylon (?) friction washers could even be replaced if one had a zoom >with particularly bad creep. Hope this helps. _________________________________________________________________ Send and receive Hotmail on your mobile device: http://mobile.msn.com - 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 .
