with the Pentax F 70-200 all share the same "F" series cosmetics.
http://www.bdimitrov.de/kmp/lenses/zooms/_non-SMC/tak-F_70-210f4-5.6.html
Kostas Kavoussanakis wrote:
On Wed, 11 May 2005, William Robb wrote:
The Takumars from that era are identical in construction and optical design
to the SMC Pentax lenses of the same focal lengths.
Do you by any chance know why the Takumar-F is 70-200 but the contemporary SMC-F is 70-210?
Kostas
-- A man's only as old as the woman he feels. --Groucho Marx