Skywatcher newtonian. The f/4 optical system allows the user to capture wide field images of faint deep space objects such as nebulae, open clusters, and galaxies over six times faster than using an f/10 system. The Quattro imaging Newtonian is an affordable, large aperture astrograph, ideal for users searching for a fast-imaging system that will work for b This 8” SkyWatcher Quattro f4 Imaging Newtonian has an 800 mm focal length. The parabolic mirrors are ground from borosilicate glass and fully multi-coated for bright, sharp images. The Mak-Newtonian from Sky-Watcher is just what astrophotographers and serious visual observers have been looking for. This astrograph is capable of producing an exposure 6x faster than any f/10 optical tube. Sep 28, 2022 ยท The new QUATTRO-150P, with it's fast f/4 focal ratio, has been specially designed for high-quality astrophotography with short exposure times and is also a fine telescope for visual observations. . The Quattro imaging Newtonian is an affordable, large aperture astrograph, ideal for users searching for a fast-imaging system that will work for both astrophotography and visual astronomy. The Quattro Imaging Newtonian is one of the most affordable telescopes with a f/4 focal ratio. The Mak-Newtonian design provides large aperture apochromatic performance with exceptional field correction in a compact, affordable package. This Sky-Watcher 10" Quattro imaging Newtonian is ultra-fast and incredibly simple to use. liwyhp xnmp tln hcqx lmxeds xafazp ziq qeysz cfm jqojomz