The Explore Scientific AR102 102mm f/6.5 Achromatic Refractor Telescope optical tube assembly is a classic air-spaced, crown-and-flint doublet achromatic f/6.5 refractor with a superior-class optical figure. You will be impressed by the stunning images revealed to you at the eyepiece, and you'll love the light weight of this instrument at only 11.5 lbs.

Designed to handle the rigors of public star parties and educational outreach, Explore Scientific AR Series telescopes come with heavy-duty, high-quality components, including a 2" two-speed Crayford focuser with compression, a 99% reflective dielectric-coated 2" diagonal mirror with 1.25" eyepiece adapter, the Explore Scientific Hybrid Finder Scope Base installed with an 8X50 non-illuminated straight-through finderscope and quick release bracket, and a cradle ring assembly with 45mm wide dovetail plate (Vixen style). Just add a few eyepieces and the alt-azimuth or equatorial mount of your choice and you'll be ready to discover the universe.