(See page five of the included Astroscan User Guide). In addition to its tube assembly and mounting base, this unit comes equipped with the following original accessories (See last photo): A. Edmund Scientific 28mm and 15mm Plossl eyepieces (Both yield bright, wide field of views with sharply defined field edges) An Astroscan wide-field Newtonian reflector. The Astroscan was a wide-field 4⅛" clear-inch (105mm) diameter reflecting telescope, originally produced by the Edmund Scientific Corporation, that was for sale from 1976 to 2013. Contents 1 Design 2 History 3 See also 4 References 5 External links Design The Astroscan provides good views of large star clusters and nebula, such as the Double Cluster, the Andromeda galaxy, and the Great Nebula in Orion complex, all of which can be seen from the suburbs of Seattle. It will show Jupiter and it's moons but 25x magnification is not enough to resolve Saturn's ring system. Details 4.125" Objective This telescope is in very good condition. I used it 2 times and then put it up in storage. Comes with a 1/4 " X 14" dense rubber pad, User Guide, Dew Light Shield, Dust cap. Also Edmund Scientific Plossi Eye Pieces. 28mm & 15mm. Also a sunscreen and base Download Astroscan for Windows to gather and read astrological information and charts. The Astroscan telescope is suitable for all ages. The package includes the telescope, a red circle refles sight (Rigel Quik Point) for aiming the scope, a cast-aluminum tabletop base that's padded to prevent scratches on sensitive surfaces, a user's manual, two eyepieces, and a carrying bag.