With the fact I only just received these I haven't been able to give them a thorough try. They arrived ahead of the tripod I ordered to use them with but with a quick hand held look around the sky the moon was very sharp and detailed and at minimum magnification was even with my 20x70s and the zoom feature is nice but can make it very difficult to hold steady by hand but was able to catch a glimpse of one of Jupiter's moons but to unsteady for any detail but from what I've seen so far they are awesome and at a good price would definitely recommend to anyone looking for Astronomy binoculars if they are willing to use a tripod because they are large and hefty would get tiresome quickly using by hand pool pic is of them side by side with my 20x70s which are not small binoculars themselves