Nikon AI G AF-S lens is transferred to SONY NEX mount body for use. • High-precision perfect transfer, aluminum-magnesium alloy ring body, fine copper bayonet will not wear the lens, the workmanship is very exquisite, tight and smooth combination with the bayonet, adjustable and focusable, the lens macro function can be played, and can be infinite Focus. • The lens can be matched with this adapter ring, the camera must be adjusted to manual mode to use with this adapter ring. • Support all focus ranges to infinity.