Here's the background. Back in 2004 I was dating a hipsterish chick for whom I trawled the pawnshops for an old SLR 35 mm camera. I eventually bought a 'grab bag' consisting of 2 bodies and 3 lenses. One body worked, on the other the sensor didn't work. So I gave the working body and lens to her and ended up keeping the other body and 2 lenses. The body is some 70's or late 60's Sears (Ricoh) TLS. The lenses appear to be an 'Auto Sears' 50mm F2 (Rikenon) and a Haminex 'Automatic' 135 mm F2.8. The auto seems to refer to the fact that the aperture closes only when the shutter is pressed. This appears to be done by a pin. Obviously to be used on a micro 4/3rds mount, the aperture needs to be stopped done all the time. Is there is a particular adaptor that makes that happen? Or do they all do? By the way, I am aware neither lens is particularly good, but probably worth getting an adaptor to play with.