Orion CT80 80mm Compact Refractor Telescope Optical Tube

hello I'm Ken with Orion telescopes and binoculars and this is the Orion ctat optical - ubirr Oh TA optical tube assembly we've come out with this one as just a fairly inexpensive easy way to get into Auto guiding let's say you already have your telescope your camera you've got guide rings wherever else you just need something inexpensive to guide with well this little refractor totally fits that boat it's an 80 millimeter 400 millimeter focal length that's f5 refractor with a simple rack and pinion focus our fully coated optics it doesn't come with any accessories to keep the price down so if you had a pieces or diagonals from a refractor it would work but the primary goal is to use this as a guide scope with an auto guider on the side if you wanted to use this for other purposes it's totally suited for it it uses a vixen cell dovetail bar on the bottom so you can attach this to any vi