I'll peek at one of my junk ones tomorrow and see what I can figure out. Don
> -----Original Message----- > From: Gonz [mailto:[EMAIL PROTECTED] > Sent: Saturday, March 18, 2006 4:48 PM > To: [email protected] > Subject: Re: lens help > > > Its an M50. > > The front two elements came out, each had their own retaining ring. The > back two elements are together in on assembly that screws on, and can be > removed with a spanning wrench. That leaves one middle element which I > cannot figure out for the life of me how to get out. I want to get it > out because I am creating a lens with only the front element. > > Thanks, > > rg > > > Don Sanderson wrote: > > I assume you mean an M or an A 50/2.0. > > If so every one I've had apart the elements all come out in two > 'groups', > > front and rear. > > That leaves just the mechanics in the assembly. > > The groups can then be dis-assembled enough to get to all surfaces. > > On the M lenses the front group screws out, on the A lenses the front > > group is held in place with three screws. > > > > Hope this helps. > > Don > > > > > >>-----Original Message----- > >>From: Gonz [mailto:[EMAIL PROTECTED] > >>Sent: Saturday, March 18, 2006 3:53 PM > >>To: [email protected] > >>Subject: lens help > >> > >> > >>I thought someone had posted instructions on cleaning/repairing pentax > >>lenses here, but I could not find it. I bought a cheap 50mm 2.0 lens > >>off eekbay and I cannot get the middle element out. The front two were > >>easy enough, and the back two came out together in one > assembly, but the > >>middle element is puzzling. Does anyone here know how to remove it? I > >>dont want to take everything off the back, but it seems that > there is no > >>option to remove it via the front. > >> > >>rg > >> > > > > >
