Collimation aligns a telescope's parts for the sharpest images. Most telescopes need collimation at some point; reflectors need it often. Tools like laser collimators or Chashires help align the ...
If you are looking for your next reliable, high-quality telescope that offers excellent views of both solar system and deep-sky targets then look no further — the Sky-Watcher EvoStar 120 APO Doublet ...