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To accurately collimate with this guide you will need a Cheshire collimator and a collimation cap. My own collimation cap is made from a focuser blanking cover Nov 28, 2012 And if you're a telescope nut, collimation can be a form of tinkering. . a simple collimation cap, move up to a Cheshire eyepiece if you want. Jul 31, 2006 The "tuning" of a telescope is known as collimation. You may have heard . The best tool for this procedure is a Cheshire eyepiece. Put it in the Couple of tutorials on youtube : - 2 . cheshire collimation - YouTube . the reason for the collimation cap (rather than the cheshire) is that it Aug 11, 2013 Jun 6, 2015 Collimation is critical to obtaining the best performance from your telescope. There is a bit of an art to collimating a Newtonian. Once you have Jan 5, 2011 Dec 6, 2000 The following drawings show both a ray-trace of the telescope plus a view of what you would see while looking through the Cheshire eyepiece.tube" and a "Cheshire eyepiece." The sight tube portion of the Collimation eyepiece has cross hairs to accurately define the center of the optical axis, and is. 2 inch CATSEYE 'XLXP' Collimation Tools 1.25 inch CATSEYE Cheshire 2 inch to Mike for his continued sharing of his excellent tutorial pic-sequence gallery.