Newtonian Reflector

Celestron NexStar 130 SLT Newtonian Optical Design: Newtonian Reflector Aperture: 130mm (5.12") Focal Length: 650mm (26") Focal Ratio: f/5 Focal Length of Eyepiece 1: 25mm (0.98") Magnification of Eyepiece 1: 26x Focal Length of Eyepiece...

Sky-Watcher Quattro 200P Imaging Newtonian 205mm aperture, 800mm focal length Fast f/4 focal ratio Parabolic mirror designed for imaging with 94% reflectivity 10:1, dual-speed, 2-inch Crayford-style focuser Oversized secondary mirror produces greater...