products recommended on r/vintagecameras
Kanto Camera Service 000154 Mercury Battery Adapter Converter Type MR-9 (H-D) Adapter for Kanto Cameras
electronics
Loopacell Battery Adapter MR-9 PX625 Voltage Converter - Film Camera Light Meter Adapter for Vintage Cameras Olympus OM1 Minolta SRT - 1.35V (1 Pack)
