Sky-Watcher Starlux 190MN Review: I have a 6-inch f/6 Newtonian and a 6-inch f/6.5 achromat refractor that I use entirely for visual use. I invested around $300 in the Newtonian and $700 in the refractor. Both are great instruments for their price. However, the Newtonian’s mirror does not have the […]
