8mm Orion Epic II ED Telescope Eyepiece With 2 elements of high-quality ED glass, this 8mm telescope eyepiece provides exceptional views Perfect for powerful observation of many objects in the night sky such as the Moon, planets, and bright clusters and nebulas Wide 58-deg apparent field of view provides great views with excellent correction and definition so stars stay sharp all the way to the edge Rubberized housing with retractable eyecups makes every view comfortable through the 8mm Epic II ED telescope eyepiece Eyepiece barrel is threaded for use with 1.25" Orion eyepiece filters, so you can enhance your views easily