Nikon PK-3 brand_Minolta A genuine Metabones Speed Booster

A genuine Metabones Speed Booster adapter to mount Contax/Yashica SLR lenses to Micro Four Thirds cameras

and that's saying something

focusing action is good but slightly uneven

It's compatible with most modern Nikon F-mount lenses (though it will autofocus only with AF-S and AF-P lenses)

toys or tools

Nikon PK-3 brand_Minolta A genuine Metabones Speed BoosterThe Nikon PK 3 is a 27. 5mm extension tube for manual focus F mount lenses. Will mount to any F lens and body, but transfers aperture information via old school pre AI bunny ears, so depending on your camera and or lens, you may need to meter stopped down on this one. In good working order, with minor cosmetic wear.