Sky-Watcher Emerald 9 mm 82º Eyepiece - 1.25" - S51002 Erect Image Accessories and presents threads to accept

and presents threads to accept an M42 T-adapter just like those on the end of the black barrel

the ASI183 will utilize a high percentage of the light that reaches it

Hardware Parameters

Image Circle:  43

7" thick and measures just 7

Sky-Watcher Emerald 9 mm 82º Eyepiece - 1.25" - S51002 Erect Image Accessories and presents threads to acceptSky Watcher 9mm 82 Emerald Eyepiece 1. 25" Barrel 9mm 1. 25 inch 82 FOV 8mm eye relief 7 elements Threaded for filters Included carrying case PANORAMIC VIEWS. PINPOINT PRECISION. Ultra Wide Field of View Experience an expansive, immersive 82 view of the night sky with an ultrawide field of vision that pulls you deeper into every celestial scene. All Metal Construction Crafted from precisionmachined metal, these components are built to withstand years