No matter the type of purchase that you go out to make, you should know everything about the product so that you can make an informed decision or else you might face a loss. According to http://thebinocularsguy.com/, there are many binoculars in the market and one should gather information about the different kinds before they go off and buy one.
Magnification is the most important factor of binoculars and in order to make the right purchase, you need to know the accurate magnification which would be related to the purpose that you want to use the binoculars for. One important thing to remember at this point is that more magnification does not mean that you should buy it because it is better. The magnification depends on the purpose that you want to use the binoculars for.
For objective size, it is true that the more value of the objective size, the better the binoculars will be. Even after knowing that, you might want to choose a small binoculars for outdoor events in which you do not need much clarity like a sporting event because the value of the objective size is directly co-related to the size of the binoculars.
Field of View
Field of view is the feature that depicts how wide of an area you would be able to see through the lens and depending upon the purpose, you can choose a smaller or a bigger field of vision like you cannot watch wildlife with a small field of vision.
You might not think it important now but remember that portability is an important factor when buying a binocular because in many cases, it is not easy to lug around a big binoculars so you can go for small ones.