The Cheshire Eyepiece is ideal a tool for collimating Newtonian telescopes, but is also helpful for adjusting Schmidt-Cassegrains.
These special eyepieces fit into the focuser tube of any 1.25″ eyepiece holder and are considered an essential part of your telescope maintenance kit for calibrating mirror telescopes. The Cheshire eyepiece has a crosshair in the center and is considered more accurate than a simple collimation aid.
Whats included:
- x1 Cheshire eyepiece
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