92° Series 17mm Long Eye Relief Waterproof Eyepiece Optical Design_Maksutov-Cassegrain Certified Pre-Owned Refurbished

Certified Pre-Owned Refurbished

and deep-sky objects

5" hexagonal focuser provides precise control and supports imaging setups up to 10 lbs

Your time would be reduced if you are using the USB port to charge a phone or other device

H-Beta and Oxygen-III fog emission lines and achieves a maximum transmission of up to 90%

92° Series 17mm Long Eye Relief Waterproof Eyepiece Optical Design_Maksutov-Cassegrain Certified Pre-Owned RefurbishedExplore Ultra Wide Eyepieces Comfort, Quality, Value. The Explore Scientific 92 Series eyepieces are hyper wide class oculars with extraordinary long eye relief 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! With an