ProOptic Pro Optic Metal Auto Extension Tube Set of Two - 10mm and 16mm - for Sony Nex Mirrorless Cameras

The Pro Optic Auto Extension Tube Set contains two tubes in different lengths, 10mm and 16mm, which can be used both individually as well as together. With well built electronic contacts and smooth transmitting signals the Pro Optic extension tubes support automatic focusing, automatic exposure, etc, enabling you to use all shooting modes of the camera, while no exposure compensation is required.