Features: The lens mount adapter is suitable for Minolta MD mount manual focus lenses to fit for Nikon AI F mount cameras. It is also perfectly suitable for Nikon DSLR cameras. Aperture-priority works on most cameras, however a preset exposure compensation may be required on some cameras. This lens mount adapter is 1:1 adapter, however the magnification of the optic on the adapter is not exact 1:1. With corrective lens, allow focusing to infinity. new, never used. Made of metal and optical . Specifications: Model: MD-AI Material: Metal and optical Color: Black Compatible Lens: For Minolta MD bayonet lenses Compatible Camera: For Nikon AI F Mount cameras Compatible Camera Model(partial): For Nikon D3X, D3, D3S, D700, D300, D300s For Nikon D5200, D3200, D7000, D5100, D3100,D7200 For Nikon D90, D80, D60, D50, D40, D40x For Nikon D70, D70s For Nikon D800, D700 For Nikon D2Xs, D2X, D2Hs, D2H For Nikon D1, D1H, D1X and other traditional film SLR cameras like (F, AI, AF Mount) Item Weight: 75g or 2.7oz Package Size: 7.2 x 7.1 x 3.6cm or 3.4 x 3.3 x 1.7in Package Weight: 85g or 3oz Package List: 1 x MD-AI Lens Mount Adapter 1 x Front Lens Cap 1 x Rear Lens Cap Note: Although the lens will fit physically, automatic diaphragm, auto-focusing, or any other functions will not operate correctly while using this lens mount adapter. In this case "stop-down mode" will need to be used when metering since the lens does not have the ability to have its aperture controlled by the camera body. You can shoot with manual mode or aperture priority mode.