Review on 🔭 High-performance 10x50 Binoculars with 22mm Large View Eyepiece, Waterproof and Powerful BAK4 FMC Lens for Adults - Ideal for Hunting, Bird Watching, Travel, Concerts, and Stargazing by Duane Mann

These are quality binoculars: bright, high-performance, coated glass, BAK4 porro prisms and nitrogen-filled to prevent fogging. . Comes with a good diopter adjustment for the right eye. It's hard to say how well the advertised features are implemented in the optics, but these binoculars have pretty much all the features you need. They feel high quality. They are bright. I think they are good quality. The 10x50 is heavy and large for birding, but for sports and long-distance viewing these are great binoculars.