Olympus Om10 Camera Film 35mm W 1.8 50mm lens Zuiko Japan Clean Vintage High end  seems to work fine... Battery was dead, didn't have one to try.  Very clean .

Have a Olympus OM10 camera with 35mm lens .  Showing picture of camera just to show mounting of lens  believe they call it a boyonet mount

Selling as pictured.  080519