1 pcs Adapter Ring & 1 pcs Mini Ball Head Made of high hardness aluminium alloy, small and lightweight, strong and durable. Surface oxidation treated, the vertical load capacity is up to 500g. The quick release plate with 1/4.The ball head comes with 18.5mm standard cold foot at the bottom, with locking nut and 1/4 The independent adjustment knobs features for precise locking, panning and tension controls. Nikon Adapter Ring: It is a Nikon AI/AF all Canon EOS mount adapter ring It is easy to install, remove and use It is durable and reliable for long-term use A useful thing to achieve optimal shooting effect Color: Silver Allows focusing to infinity. Auto focus (AF) is not available. Lens lock / release and stop screw. Stop-down metering is used. Spot metering mode does not work properly. The EOS auto focusing system doesn't support as less as F5.6. Before your capturing you have to focusing with MAX aperture and stop down to capturing. Made of brass with chrome coating in silver color. Compatible:ALL Canon and Film SLR(as long as the body takes Canon EOS lens) Nikon AI Lens Usage: Put red marks of the adapter and lens collar together. Turn the adapter clockwise till the fixative click. Set Nikon lens Mini Ball Head: 1A high quality ball head with friction control. Perfect for DSLR with standard or kid lenses. It is characterized by solid, dependable construction, high endurance and lightness. Material: Aluminium alloy Color: Black Item Size: 3 x 2.5 x 5.5cm / 1.2 x 0.98 x 2.2in (L x W x H) Package List: 1 X Nikon Adapter Ring 1 x Mini Ball Head