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Tracking Accuracy (PE)
5 Limiting
The Star Adventurer Ball Head adapter provides a 3/8 threaded post to mount any ball of of choice to the Star Adventurer
immerses you in a very comfortable ultra-wide field that naturally promotes relaxation at the eyepiece
measure the outside diameter of your viewing device
3x 1.25" Focal Extender RASA Tracking Accuracy (PE)Features A 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
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