1.25" 2x Focal Extender 18-4mm-eye-relief Water-resistant and rubber-coated for protection

Water-resistant and rubber-coated for protection against minor bumps

I have seen more beginners make the mistake of trying to do finder alignments in the dark on small

With its fully multi-coated optics and 600mm focal length (f/6

Weight 1 lb

1.25" 2x Focal Extender 18-4mm-eye-relief Water-resistant and rubber-coated for protectionA good Focal Extender adds some real versatility to your telescope accessory line up. First of all, it allows you to increase the magnification of any eyepiece with the same barrel size that you already own. In other words, 3 eyepieces offer 6 magnification choices with the addition of a focal extender. Secondly, most of the time, lower magnification eyepieces have better eye relief than higher power models. When using a focal extender to increase