52° Series 40mm Waterproof Eyepiece 2200-2400 and how scientific observation starts

and how scientific observation starts with hands-on curiosity

detailed views of the Moon’s craters

Adapter and bracket quickly and easily attach to the iEXOS-100 mount

and the sight of the terminator on the moon is an unforgettable experience

Height 25mm

52° Series 40mm Waterproof Eyepiece 2200-2400 and how scientific observation startsThe longest focal length in the 52 Series with the longest eye relief, the 40mm is also the only 2. 0 inch O. D. eyepiece in this series. Explore Scientific now has three 40mm eyepieces in its collection, the other two are the 40mm 62 Series, and the 40mm 68 Series. At this focal length, this eyepiece is generally reserved for deep sky observers who challenge themselves to observe near the faintest observable limit of their telescopes. The huge true