A perfect telescope for the beginner astronomer or an ideal first telescope for a child. With Vixen's Universal Dove Tail system, this can mount on any of the Vixen mounts. The A80Mf is an Achromatic Refractor with 80mm (3.2”) of aperture. Its focal length is 910mm (3 ft.) with an f ratio of 11.4. Its light gathering is 130 times better than the human eye and has a maximum (realistic) power of 144X. It is easily transported to your observing site for quick set up and viewing.