Explore creates Silver Grade products from their demos as well as new models that are found to Explore Scientific 80mm f/6 FCD100 Triplet Refractor w/2.5" HEX Focuser - FCD100-0806-01 - Silver Grade … The Hotech SCA Field … Explore Scientific ED80-FCD100 Series Air-Spaced Triplet Refractor - FCD100-0806-01 For a limited time only, receive the following FREE GIFT with the purchase of this Telescope: Explore Scientific Astro R … The Explore Scientific 2 inch Field Flattener with marked back focus distance of 55mm is a terrible, terrible match for the Explore Scientific ED80 FCD100 APO telescope. Reveal celestial wonders like the desolate beauty of the lunar terrain, the serene structure of Saturn's rings or the brightest deep sky treasures of the Messier catalog with Explore Scientific's 80mm FCD100 …