Perry Pellechia wrote:
> After some inspection the M50/4 looks pretty good optically. After > cleaning it up a bit I mounted it on the *istD and took some test > shots and really like the results. However, the focusing binds at a > few different points. At first I thought it was a lubrication issue > but close inspection shows a small dent in the body. The dent is > right at the seam that runs around the body and is opposite the > focusing scale. > > The question I have for those of you that have taken this (or a > similar) lens apart; is it worth trying a DIY fix on it? Since I did > not spend any money on the lens, I am not interested in sending the > lens out for repair but would be willing to spend a few hours on it if > I could straighten it out. > > My other option is to just keep using it as-is since the binding is > not all that bad and macro focusing is usually tuned by moving the > camera anyway. I would fix it. The wear being created by the binding will possibly be making the rest of the focusing slacker. Buy some good screwdrivers, see someone in the labs for a bung that fits inside the filter threads and scoop the end out so that it clears the front element. Use pressure to reform the tube, not thumping. -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net
