The smart telescope revolution continues to grow, with ZWO as one of the leading innovators. Last year, the company introduced the least expensive "smarty" yet: the Seestar S30. The S30 is a compact, ...

This was very informative. I'm surprised nobody has replied to this post yet, as I think a lens this fast could be a good addition to a lot of people's collections. Luckily, vignetting is something ...