From the Manufacturer. A small size refractor telescope is the best starter scope for a beginner as they provide a good balance between convenience features, optical … The compact Sky-Watcher STARTRAVEL series are two-element, air-spaced, multi-coated objective, achromatic refractors, and are well proven performers for … Short Tube Refractor Telescopes " I have used a great number of telescopes; some are good, some mediocre and some bad. The 120mm f/5 Orion refractor … > Short Tube Refractor Telescopes. 120mm aperture and 600mm focal length refractor … During daylight hours, the ST80 … Rich-field refractor optical tube assembly with big 4.7" aperture for deep-sky pursuits and wide-field astrophotography use. The Orion ShortTube 80 Refractor Telescope Optical Tube reels in bright deep-sky objects and gets you in tight on solar system targets like Saturn, Jupiter, and the Moon. Sky-Watcher Short Tube Refractor Telescopes. I ended up finding a used OTA for about $200 and it was some of the best money I’ve ever spent. To me the Sky-Watcher range of … A while back I bought an Orion 100mm short-tube refractor. What is the Best Refractor Telescope for Beginners? I loved it so much, I decided to up the ante and try the larger, faster, 120mm model. With the mount, I paid roughly $450 for it.