Orion SpaceProbe 130ST EQ Telescope & Beginner Barlow Kit This 5.1" aperture reflector telescope gathers an ample amount of light for great views of the planets and Moon, as well as brighter galaxies, nebulas, and star clusters Relatively short, 24" long optical tube design for easy portability and fast f/5 focal ratio for pleasing wide-field performance makes the SpaceProbe 130ST EQ a very versatile telescope the whole family can enjoy Included Shorty 2x Barlow doubles the magnification of both included eyepieces Use the included Star Target Planisphere and MoonMap 260 to plan stargazing sessions The included Discover the Stars book is a wonderful guidebook for beginning amateur astronomers