Celestron Cheshire Eyepiece - 1.25" CPC Made from high-quality optical glass

Made from high-quality optical glass

High-quality primary and secondary mirror for maximum sharpness

Available Plugs: EU or IRL/UK

Protect window: D60-2 AR

Celestron Cheshire Eyepiece - 1.25" CPC Made from high-quality optical glassThe 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