Celestron Cheshire Eyepiece - 1.25" CPC The older ED81SII

The older ED81SII

Internal storage: 25GB

SXP2 and AXJ Vixen mounts or similar with 45 mm connections

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Celestron Cheshire Eyepiece - 1.25" CPC The older ED81SIIThe 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