Omegon Cheshire Collimation Eyepiece - easy and accurate collimation Do you have a Newtonian telescope and want to collimate it to obtain better images? And do you also want to obtain good results without spending a lot of money?
Then what you need is the Omegon Cheshire Collimation Eyepiece.
Longer metal tube with reticle The Cheshire is simple but super effective. With a little practice you will learn to collimate your telescope in a few minutes - especially if you need to make a small adjustment to get better images. It consists of a long metal tube with a reticle and a 45º base. The reticle is very useful for orienting yourself on the optical axis.
For collimation of refractors When introduced into a refracting telescope, the same number of reflections is seen as the telescope has lenses. If all reflections are centered and circular in shape, then the telescope is correctly collimated.