best telescope collimation cap
Before testing this, I never realized how much a subpar collimation cap could ruin my stargazing sessions. I spent hours struggling with inaccuracies, and then I found the Celestron Cheshire Collimation Eyepiece for Telescopes. The 1-1/4″ design fits perfectly into my focuser, and the accuracy it offers is a game-changer—stars come into perfect focus, planets … Read more