1 pcs Adapter Ring & 1 pcs Mini Ball Head Made of high hardness aluminium alloy, small and , strong and . 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 adjustment knobs features for precise locking, panning and tension controls. Adapter Ring: It is a AI/AF all mount adapter ring It is easy to install, and use It is and reliable for long-term use A useful thing to achieve optimal effect Color: Silver Allows focusing to . Auto focus (AF) is . Lens lock / release and stop screw. Stop-down metering is used. Spot metering mode does not work properly. The 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 and Film SLR(as long as the body takes lens) AI Lens Usage: Put red marks of the adapter and lens collar together. Turn the adapter clockwise till the fixative click. Set 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 Adapter Ring 1 x Mini Ball Head Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.