With a well known reputation for the highest quality optics available in this price range as well as a cnc machined dual speed focuser the altair 8 f5 newtonian is a compelling option for anyone interested in visual observing andor beginner astro photography the altair f5 newtonian optics are extremely smooth displaying high contrast images of planets and deep sky objects against a dark background with minimal scatter around bright objects the 8 aperture is more than enough to reveal pl