It was a 1960 lens, so no autofocusing for you...
You actually had to turn the lens to focus and pick aperture. It was for the Canon 7 rangefinder.
2000 740i-Annalisa and 2008 335i-Weebl. Weebl may wobble but has DTC
2012 X5d in Sparkling Bronze ( The Ultimate Cat Carrying Machine)