Explore Scientific 100° Argon filled Eyepiece - 5.5mm (2") Refreactor as it has a slip

as it has a slip clutch

Aurora Borealis is commonly visible in the northern artic skies as radiation from the Sun hits our atmosphere and creates a magical plasma effect

simply slide your finger over the star chart for convenient operation of the mount

RA & DEC axis: 40mm Ø

Explore Scientific 100° Argon filled Eyepiece - 5.5mm (2") Refreactor as it has a slipThese 100 eyepieces from Explore Scientific offer a truly unique combination of excellent contrast and edge sharpness, even with fast optics and a huge field of view. In fact with such a wide field of view, you can sometimes forget that you are looking through a telescope as you gaze over the enormous, seemingly unlimited expanse of space. Due to the perfect combination of a wide variety of modern glass materials, these eyepieces from Explore