The Celestron piggyback mount is a great acccessory for all observers interested in deep-sky astrophotography. This mount allows you to attach your camera, with its lens, to the top of the telescope. its unique design also allows you to fit your NexStar telescopes Star Pointer on top of the Piggyback so that you can accurately navigate your telescope and conduct astrophotography at the same time. The Piggyback adapter mounts to the rear cell of the 5, 6, and 8 SE NexStar telescopes Ideal mount for cameras and imagers Attach camera, with lens, to the top of the telescope Allows for attachment of star pointer onto bracket Mounts to rear cell of NexStar 5, 6, and 8 SE telescopes