Originally Posted by GaryML
Filter size is 49mm for the Pentax-F 70-200, Takumar F 70-200 and the Takumar F 70-210. And looking at Bojidar Dimitrov's entries for these lenses, they seem to have exactly the same dimensions and optical formulas. I believe they are the same lenses with slightly different labels.
Hmm
I know SMC is cool and all, but why the $200 dollar price difference for a used version vs my non-SMC version if they all have the same glass config/etc? Crazy!