Explore Scientific 92° 12mm Long Eye Relief Waterproof Eyepiece CAT series 5kg counterweight will fit the

5kg counterweight will fit the following iOptron mounts:CEM26GEM28

Click here for the assembly instruction video

The latest production run features multilayer coatings on both sides

Night Reader Pro dimmable 630nm Red light LED Astronomy torch for telescope - Preserve night vision

The combination of large altitude bearings with optimized metal structural design allows fine and smooth adjustment

Explore Scientific 92° 12mm Long Eye Relief Waterproof Eyepiece CAT series 5kg counterweight will fit 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!