>> >>http://members.shaw.ca/hargravep/70-210.htm > >I assume you found out that the front assembly with the focusing threads >is a six-thread helicoid? There are six ways to reassemble it and five >of them are wrong. Ask me how I know! ;-)
Hmmm. Think I only found three wrong ways. I guess all the pictures I took prevented me from learning all of the intricacies. :^) >I did the same repair on an F 70-210 a few years ago. Apparently that >screw in the zoom assembly is the weak link with this lens. I also >damaged the information brush in disassembly, but I just bought a >totally trashed F 28-80 on eBay for $10.00 and stole the brush from >that. > >Mark Roberts It is strange that part is not available if it is used in several lenses. Powell

