The Celestron RSR adaptor allows you to fit a red dot finder such as the celestron starpointer and starpointer-pro to many binoculars. A no tool set up for ease of use. All you need to so it align the RDF as you would do on a telescope.
With many higher power binoculars with narrower field of views compared with wide field optics, finding a target in the night sky may be a challenge. This adaptor will make finding such objects a breeze, Leaving to to spend more time observing and less time searching.
But do not just think think is only for mounting a RDF. It also acts as a sturdy tripod adaptor for porro prism binoculars. Comes in a black finish, so it will blend in with your binoculars and red dot finder