Md-Ma Lens Adapter To Sony Minolta Md Ma Alpha Mount Adapter Camera Parts with USB Light and Sport Headband Weight: 48g .Material: aluminum and brass .Suitable for: All Minolta MD/MC Mount Lenses .All Sony Alpha/Minolta MA mount camera . Such as : A580, A550, A33, A900, A350 and more Feature: Completely manual control, manual focus and manual exposure .You can shoot with manual mode or aperture priority mode. There is no rom connection on the ring so diaphragm control of the lens is set manually Note: It is new lens adapter (without glass) so it does not allows infinity focus. Warming Tips :1. Although the lens will fit physically, automatic diaphragm, auto-focusing, or any other functions will not operate correctly while using this adapter. 2. In this case "stop-down mode" will need to be used when metering since the lens does not have the ability to have its aperture controlled by the camera body. Package Included :1 x md-ma lens adapter (without optical glass/macro), with 1 piece light blue sport headband, 1 piece adjustable angle flexible black rod USB light