What do the numbers in a binoculars name mean?
The numbers on a binocular describe its magnification and light gathering capability. Let’s take an 8×42 binocular as an example. The first number (8) refers to the magnification, or, how many times closer an object will appear when looking through the binocular compared to the naked eye. The second number (42) is the diameter of the objective lens, measured in millimeters. The larger the diameter, the brighter the image becomes. Note:The diameter of the objective lens is directly related to the size of the binocular — the larger the objective lens, the larger (and often brighter) the binocular. How much magnification do I need? You will want a binocular with appropriate magnification. Think about the demands of your hobby before you select a pair of binoculars. How much detail do you need, will you use your binoculars to view things close up or far away, do you want a small binocular that you can take anywhere? The most popular binoculars are those with lower magnifications (such as
