want to buy binocular with pricing attractive compared to other and good build quality.
You need to sit and recollect physics lessons in school for your base to understand the complex optics specs of binoculars.
There are different binoculars for different uses. The more money you spend the better is the optics. Especially Olympus you will be a fan if you try once. But it ain’t cheap.
Budget 5-7 k. Below that its 700 bucks so called Russian binoculars (fakes)