Tele camera adaptor for eyepiece projection photography for astrophotography of the moon and planets through a telescope a tele extender is required this varible tele camera adaptor slides in to the telescopes eyepiece holder into which is inserted an eyepiece of typically 26mm focal length a slr body then couples to the tele adaptor by the means of a t mount required not included the skywatcher tele camera adaptor permits a range of projection magnifications