Topic: Pentax-K SMC Takumar 135mm f2.5
This is the "modern" version, in K mount, with plastic focus ring...
Pretty darn good, too
My wife decided to take a bath in the river, ad I was shooting the previous one... this one probably f4
Bronica S2A, Agfa Super Isolette, Iskra, Rolleiflex. Leica M2, Bessa R, Zorki 1,3,3M and a few more...