We have a wide range of binoculars, ranging from ordinary binocular binoculars to monocular tube binoculars. The tubs we have as handheld or floor varieties on tripod stands. We have regular binoculars from theater viewers to quality mediators such as Steiner. Binoculars help us to see things from afar. To help us understand how close you look with a binoculars, they are often called n x m where n is the magnification and m is the diameter of the lens eg. 7X50. The magnification gives how close we see the object and the diameter of the lens gives how much light the binoculars can let in. Many of today's binoculars have autofocus, which means that you do not need to focus sharply at different distances. This is very practical on eg. boat when it rocks in the waves.