Olympus OM-D E-M5II with Olympus 40-150mm II ED. lens mount_Pentax 645 but compatibility is spotty with

but compatibility is spotty with newer OS versions

so maybe save it for your mirrorless camera if you're not going to shoot this on a Spotmatic

Ideal for a large format camera or a heavy lens

The serial number is also followed by a red engraved "Y"

but the Leica M2 is a classic 35mm rangefinder camera compatible with Leica M-mount lenses

Olympus OM-D E-M5II with Olympus 40-150mm II ED. lens mount_Pentax 645 but compatibility is spotty withThe Olympus OM D E M5II is a very compact mirrorless camera with a high quality 16mp sensor, 5 axis image stabilizer, full 1080P video, 5fps continuous shooting with AF (10fps without), and WiFi connectivity. It handles well and moves quickly a great little unit. Included is a quality Olympus M. Zuiko Digital 14 150mm f4 5. 6 II ED MSC lens, with a convenient range that goes from wide angle to telephoto (28 300mm equivalent). Camera is in near new