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Collimation is the process of aligning the optical axes of all the optical elements in a telescope. When properly collimated, all the mirrors (or lens) will be. 5 Jul 2017 The Celestron Cheshire Collimation Eyepiece is ideal for precise collimation of Newtonians and helpful for aligning Schmidt-Cassegrains Adjust the objective cell's push-pull bolts until the small circles merge into one. Thats it! With precise collimation, your refractor telescope will deliver the best 6 Jun 2015 Unless you have a truss-tube telescope which must be assembled each time it is used, collimation should Above: A laser collimator and collimation eyepiece These screws push against the flat back of the mirror holder. High quality wide range of telescope collimation tools at Rother Valley Optics. Skywatcher Cheshire Collimating Eyepiece 1.25"?25.99. buy. DETAILS. CELESTRON. 3.1. :. .::.. Stick. Collimation Eyepiece, Model #94182. TI. Collimation is the process of aligning the optical Using the Collimation Eyepiece. 31 Jul 2006 The "tuning" of a telescope is known as collimation. Like the primary mirror, the eyepiece has an optical axis, and this axis should be . Most mirror cells have three adjustment screws or three pairs of push-pull adjustments. Advanced CT Laser Collimator Manual (V9.0 =OH=) Page 1 of 20. User Manual. ADVANCED . Achieving Basic Co-Alignment of the Collimator and Telescope . . The eyepiece drawtube or visual back is not square to your primary mirror .2 May 2013 Poor alignment in a Newtonian telescope will make objects difficult to resolve, give poor detail in planets and nebulae, create images This image shows the view through the focuser with no eyepiece installed. . The collimator usually comes with instructions on how to align them. Grass Valley, CA.