EcoLeica
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Ok, as i work on oil rigs i tend to get a lot of time off. As a result I have been helping out at a camera shop that deals with old cameras for collectors. Anyway i was cleaning the shop today and i stumbled across this little gem of an attachment. I have no info on this so im doing a lot of guess work. This is a close up kit for screw mounts (no need for visoflex!). You slide the viewfinder over the lens and focus your subject. Once in focus you slide it back over the camera body and take a picture. Pretty neat stuff i thought.