Skywatcher Emerald Eyepiece Range9mm 22mm 82 FoV 1. 25" for 9mm, and 2" Barrel for 16mm and 22mm, threaded for filters Introducing the Sky Watcher EMERALD 9mm (1. 25"), 16mm (2") & 22mm (2") ultra wide angle eyepieces, engineered for astronomers who demand high contrast, wide fields, and maximum clarity. Crafted with a premium 7 element lens system, these eyepieces all offer a stunning 82 apparent field of view, perfect for deep sky exploration, lunar landscapes, and immersive

Nylon safety straps: Two 1” x 4” Velcro straps

so you can use your smartphone confidently to scan the skies

Approximately 10 inches long

and the book is illustrated with photos taken by the author

1280×960 130fps / 65fps

Contrast on the Moon was very high and it split the stars of the ‘Double-Double’ very cleanly

it is the largest known natural object to have entered Earth's atmosphere since the 1908 Tunguska event that destroyed a wide

Counterweight:  2

Wi-Fi  Autoguider

and you don't ever want to chance a direct gaze

SAM is easy to set up and to operate in all of its modes

Magnification of Eyepiece 1: 53 x