Sigma Sigma Usb Dock For Nikon | Sigma Lenses

By Connecting A Sigma Art, Contemporary, Or Sports Lens To A Computer With The Sigma Usb Dock, Photographers Can Update The Lens Firmware And Adjust Focus Position And Other Parameters. Exclusive Sigma Optimization Pro Software Makes Customisation Easy. It Is Possible To Select The Autofocus Speed And Adjust The Focus Limiter And Optical Stabiliser (Os) Function.