Color: Black Material: Aluminum alloy Diameter: 6cm Adapter Nikon AI Lens to Canon EOS M Compatible Camera Models: EOSM Canon MILC, Nikon AI lens Functions: Manual focus, Manual exposure, Aperture priority exposure, infinity focus Package included: 1 x Lens Adapter Product Dimensions: 6.2 x 6 x 3.5cm, weight: 74g Package Dimensions: 8 x 6.8 x 4.4cm, weight: 87g