I still have the 55/1.8 Super-Takumar that came with my dad's Spotmatic back in 1968. I added the K-mount version not long ago, just because. Couldn't find anything made with it while rummaging through my scans just now, so I guess I'll have to take it for a walk sometime soon!I dug out my 1976 SMC Pentax 2/55 that took the last two portraits of Pippa. It is sharp, but not scary, so some of that detail must have come from the Acutol.