Hi Long time Pentax user with a collection of screw mount lenses and bodies starting with an S1a. Lately I've been doing nearly all my shooting in digital with a nice little Nikon 990, but I want better quality and plan on soon getting an *istDS kit. I already have a donated screw to K adapter and plan on putting some of my old lenses to work.
I have been keeping my eyes open for newer lenses and a couple of weeks ago found a F-70-210 for $80 CDN but when I was about to purchase it we discovered the focus was jammed. I offered to buy the lens for a few dollars but the manager of the London Drugs store gave it to me free - even with end caps. So I am attempting to get into it and discover why the focus is jammed solid at infinity. I am having two problems. The tiny screws are TOO tight. I have taken the end off of 2 Phillips #000 screw drivers. One was a cheap low quality one but the other was a medium quality tool. The best available locally. Now I'm waiting for a better tool to arrive. Any hints on loosening these little suckers up to make them easier to remove? Heat? Solvents? Other?? Second I'm not sure where to attack next. Photos of my progress are on the web page below. Any suggestions on what I should attempt to unscrew next? Also can anyone tell me what the holes/screws under the rubber zoom ring in the third picture do? members.shaw.ca/hargravep/70-210-.htm TIA Powell
