Waterproof binoculars is more and more popular in our life, people use it to watch football match, vocal concert, Sports Events and so on. It is reported that 96% of the world's binoculars are produced in China,including the optical glass and lenses .
      Now the problem is that many people do not know how to buy a waterproof binoculars with high quality.Before any of the other models are considered for your purchase,you may want to see and to learn about the different features the binoculars offer like the magnification of the lenses, the range of the view, and the ability of the binoculars to be waterproof. There are many other things that will need to be taken into consideration also.The binocular has numbers on the label that says something like 8x42 binoculars. The first number means that the lenses will give you a magnification power of eight times what it would be without it. The second number is the size of the lens that is in the front of the binoculars in inmillimeters. So if your number is 8x21 binoculars then, the lens is twenty-one millimeters wide. The size of your lens will tell you just how much of the light that is on the outside is able to get on the inside of the binoculars. The larger the lens, the more light you will be able to get. It is also possible for zoom binoculars to have a high magnification number in the front and the width of the lens will need to be made larger to accommodate the light needed to give you a good picture. Your binoculars should give you a waterproof guarantee on them so that they will be able to go where you want them and so they can be cleaned easier. You will also want the binoculars you choose to be light enough for you to carry around with you. You should also consider an auto focus so that you will not miss the view you are looking for because you are trying to manually focus the binoculars.