Getting blurry views through your reflector telescope? It probably needs collimation (aligning the mirrors), and this Farpoint laser is one of the best tools for the job. It shoots a precise 650nm red laser beam through a tiny aperture for accurate readings. What makes Farpoint special is their build quality and unique 8-screw alignment system that holds the laser diode rock-solid, so it stays accurate forever (they even offer a free lifetime re-alignment guarantee). The barrel steps down from 2 inches to 1.25 inches, so it fits almost any focuser. It comes with a mirror spotting template and center spots to help you get everything perfectly aligned. Made right here in the USA. It's an essential, professional-grade tool for any serious amateur astronomer with a Newtonian telescope. Just remember, collimation takes a little practice, but this tool makes it much easier.