. Feature: It can for focus to for infinity. With a mini hex for key to help tighten or loosen the screw. There is no electrical connection on the ring so diaphragm control of the lens is set manually. Completely manual control, manual for focus and manual exposure. Easy and smooth to install, remove and operate lens. This mount adapter is for NEX E-Mount cameras to attach T2/for T mount lens. Adapter Ring only, other accessories demo in the picture is not included Specifications: Item Type: Adapter Ring Material: Aluminum Alloy Size: Standard Size Color: Black Compatible Lens: for T2/for T mount lens Compatible Camera: for NEX E-Mount cameras Quantity: 1 Pc Note: Transition: 1cm=10mm=0.39inch Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package Includes: 1 x Adapter Ring