Orion SkyView Pro 80ED GoTo Apochromatic RefractorOrion has added GoTo computerized control to our premium 80ED refractor at an amazingly low price. 80mm objective includes one element of FPL-53 "ED" glass, which virtually eliminates false color. GoTo computerized control lets you locate 13,400+ fascinating celestial objects with pushbutton ease. Features a 2" aluminum Crayford-type focuser that accepts 2" or 1.25" accessories. One-year limited warrantyOrion has added GoTo computerized control to our premium 80mm ED refractor telescope so finding your targets is a snap. The Oron SkyView Pro 80ED GoTo Apochromatic Refractor combines the best value in high-end refractor telescopes today with the stability and precision of our SkyView Pro equatorial mount and GoTo control — for one very attractive price.The 600mm (f/7.5) optical system provides sharp resolution and a wide field of view, both great for film or digital imaging. Its fully multi-coated objective doublet, with one element crafted from FPL-53 extra-low dispersion (ED) optical glass, provides astrophotos that are strikingly sharp and free of chromatic aberration.Orion has outfitted the SkyView Pro 80ED's 2" Crayford-type focuser with a 2" mirror star diagonal. It accommodates 2" or 1.25" telescope eyepieces, and we include two 1.25" Sirius Plossls plus an 8x40 finder scope.For owners of the SkyView Pro EQ GoTo Mount whose version of the GoTo hand controller is 3.0 or greater, the GoTo hand controller's firmware can be updated over the internet.