The Vixen A80Mf is an Achromatic Refractor with 80 mm (3.2") of aperture. Its focal length is 910 mm with an f-ratio of 11.4. Its light gathering is 130x better than the human eye and has a maximum (realistic) power of 144x. It weighs about 5.5 lbs.
Ideal for use as a guidescope or grab-and-go observing when mounted on a Vixen Mini Portamount.