Astronomy: William Zuback
The first decade of 21st-century amateur astronomy witnessed an explosion of digital astroimaging gear. At the same time, telescopes designed specifically for those digital cameras — called astrographs — have become increasingly popular, as well.
One of the few Newtonian-based astrographs on the market comes from the Israeli company Boren-Simon. Its PowerNewt 2.8-8 ED is an 8-inch f/2.8 reflector designed for wide-field astrophotography. With a focal ratio of 2.8, this is the fastest commercial Newtonian.