Binoculars or field glasses are two telescopes mounted side-by-side and aligned to point in the same direction, allowing the viewer to use both eyes binocular vision when viewing distant objects. Most are sized to be held using both hands, although sizes vary widely from opera glasses to large pedestal mounted military models. Unlike a monocular telescope, binoculars give users a three-dimensional 3D image: for nearer objects the two views, presented to each of the viewer's eyes from slightly different viewpoints, produce a merged view with an impression of depth. Almost from the invention of the telescope in the 17th century the advantages of mounting two of them side by side for binocular vision seems to have been explored. The Galilean design has the advantage of presenting an erect image but has a narrow field of view and is not capable of very high magnification.
The Best Marine Binoculars for Sailing & Boating
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But when the moment comes and that tiny bird alights on a distant branch, your eyes are so sore and bleary from using the wrong type of binoculars that all you see is a multi-colored smear. You rub your eyes and try to force them to focus, but the Painted Bunting takes flight and is gone. If only you knew more about binoculars! With the right pair, you can relish the nuances of nature without eye strain or enjoy a close up of the lead singer at your next stadium rock concert. The main difference between models is how much closer they make things appear and how much light they let in. Some binoculars are better for just a quick look, while others are less taxing on your eyes, so you can use them longer.
Close Focusing Binoculars
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