Explore Scientific 92° 17mm Long Eye Relief Waterproof Eyepiece 68 degrees eyepiece series 25" barrels from hitting the

25" barrels from hitting the mirror

It is widely recognised by the amateur astronomy and educational communities as the best planisphere on the market

Unlike the Optolong L-eNhance filter which is a tri-band (transmits Hb

initial observations of planets

several types of narrowband filters and a filter wheel

Explore Scientific 92° 17mm Long Eye Relief Waterproof Eyepiece 68 degrees eyepiece series 25" barrels from hitting theVoted Sky & Telescope Hot Product for 2017! Explore Ultra Wide Eyepieces Comfort, Quality, Value. The Explore Scientific 92 Series eyepieces are hyper wide class oculars that can transform your visual astronomy experience. You may be startled at the amazingly wide expanse of inky black sky you behold the first time you bring your eye to a 92 Series eyepiece, and after awhile, you may even forget that you have an eyepiece between you and the universe!