There are three major quality factors you should examine before buying a pair of binoculars. Binoculars are used for a lot of things.
High power spotting scopes, or binoculars, where the power exceeds 10x will need to be mounted on a tripod. I originally purchased the Monarch 10x50's for bird-watching and long range mountain scanning in Arizona, however, I found the extra sharpness of the 8X resolution meant that I didn't need the larger 10X magnification, because they had such excellent detail. Fortunately, the new weatherproof binoculars are fit for rough use.
You will need a magnification factor of at least 7, maybe up to 10 if you have a steady hand. A monocular was a perfect device to locate and identify riders from far off, and to determine from their banners or colour whether they are friend or foe. All things you see through a night binocular appear green, because you don't look directly at the objects but at their image on a phosphor screen.
Binocular lens protectors drive water off the lens surface of both objective lenses and eyepieces, helping eliminate glare caused by water droplets. The distance you will be from the object you view will determine the magnification power required in a pair of binoculars. Coated lens will improve the binoculars contrast and image quality.
Your willingness to increase your budget will often provide you with a return in performance of your purchase. The newer binoculars are very lightweight making them ideal to pack in your lightweight luggage.
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