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 ...

A small missed detail can lead to major issues with your telescope. In this video, I show you the key focuser screws you need to check — especially if you're using a Newtonian reflector. Don't let ...

DULUTH — Did you receive a telescope as a holiday gift? Even if it was years ago and that instrument is now hidden away in an attic, consider taking it out again. There are all sorts of wonderful ...