M42: Steinheil Edixa Auto-D-Tele-Quinar 135 f/3.5
Pictures taken with my first Steinheil lens, a Quinar 135/3.5.

Full metal body, with a focusing ring that spans about 360° from the closest focusing distance to infinity, and f/stops from 3.5 up to 32.

Read on my blog Shooting with a Pentax K10D why i'm using those vintage lenses on my K10D DSLR.
10 photos · 1,036 views