These quality cast-aluminium rings are custom made for use with all Sky-Watcher equatorial mounts and the AZ3 mount. The felt-lined hinge opens to allow easy installation of the optical tube and the locks can be loosened during use to allow tube Rotation and balancing. In order for astrophotography lovers to capture the spectacular views of the sky, these tube rings feature a standard tripod adapter (¼"") on one of the rings, to provide easy piggyback camera attachment. 116mm Diameter.
