Binoculars are one of the handiest, useful and most widespread of all optical instruments. Virtually everyone who spends time outdoors owns, or needs to own a pair of binoculars. More than 46 million birdwatchers spend almost $500 million annually on binoculars and related equipment in the U.S., according to the federal Fish and Wildlife Service. Birdwatchers aren't the only ones looking to get close to their subjects--boaters, hunters, sports fans, theater-goers, and experienced travelers all rely on binoculars.
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