Explore Scientific 17 mm 92-Degree LER Waterproof Eyepiece - 2" - EPWP9217-01

Explore Scientific 17 mm 92° Waterproof 2" Eyepiece The 17mm 92° Series™ eyepiece by Explore Scientific is part of an ultra-wide class of oculars that will revolutionize your astronomy observations. Enjoy the picturesque wide expanse of inky black sky you will see in the 92° Series eyepiece. With non-driven telescopes, you will benefit from viewing objects that stay in the field of view for a long time before any adjustments are necessary. The Explore 17 mm 92º Eyepiece has a generous 20mm of eye relief. This Explore Scientific eyepiece is designed to increase the comfort level for long nights of observing as well as give you an amazingly immersive visual experience. Another great benefit of hyper-wide eyepieces is the ease with which you can gaze, not directly at an object, but slightly to either side. This skill, called using averted vision, is especially helpful when observing faint objects because using averted vision puts the image on a part of your eye that is more sensitive to l