3 Best Laser Collimator Choices for Newtonians 2018

If you own a Newtonian reflector telescope then you know how important it is to have the mirrors in alignment. The easiest way to accomplish this is with a laser collimator. While most of them will do a reasonable job, finding the right one in your price range can be confusing. You could just order … Read more3 Best Laser Collimator Choices for Newtonians 2018