High Magnification HD Professional Zoom Binoculars 10-380X100 Telescope High Power 10-30X Binoculars for Bird Watching

Those Binoculars seem to be good quality, but the focus is off. I can see double, and I will not buy cheap again. This is overpriced.

Excellent optics. Easy to use with glasses. You do have to remove glasses when zooming in, but in most cases don't need to zoom. Good price for quality. Would purchase again

I used these twice to see the full moons, and what an amazing view. I love studying astronomy as a hobby

Very sharp view throughout magnification range, good value and power of 10 to 30 magnification seems accurate. Useable for astronomy, but it does have color fringes around the moon, but shows creators well . I was not expecting apo glass, that would cost 10 or 20 times more. They weigh about 3 pounds and are hard to hold steady at 30 power, I needed to rest my elbows on something or use a tripod. A simple L shape connector will connect these binoculars to most tripods. The lenses covers are effective but not connected and the carrying case is minimal. Overall I am pleased with these binoculars, I plan view the green comet showing now and try cellphone photography.

These were bought with astronomy and birdwatching in mind. I have some familiarity with optics and had noted these have two components of better instruments, namely BAK 4 prisims and fully coated optics. They are surprisingly sharp and bright for the pricepoint. They should be mounted, for the most part, but there is one major glitch. The mounting orifice was not tapped deeply enough to secure to a tripod. Unless you have a quarter/20 tap to deepen it, you will need to search around for the right washers, which has worked for me but is a nuisance. These binoculars have the typical narrow field of zooms, yet are really quite sharp even at higher power. Decent optics.