Hi! Rac> Looking at it from the other side, I'd speculate that more Rac> has changed optically from series to series than has stayed the Rac> same. Only the 50mm's seem to retain a direct heritage to the Rac> original screwmount Takumars.
Bob, is it correct to understand your reasoning, part of which I snipped <g>, that the changes between (various generations of) lenses are way more subtle that just size and/or coating? Boris ([EMAIL PROTECTED] or [EMAIL PROTECTED])
