Question

construction of binoculars

Answer 1

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Binoculars have a long history of military use. Galilean designs were widely used up to the end of the 19th century when they gave way to porro prism types. Binoculars constructed for general military use tend to be more rugged than their civilian counterparts.

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Answer 2

Binoculars, followed the invention of telescope in the 17th century. The basic model of a binocularconsists of two telescopes mounted side by side for optimum binocular vision. Binocular vision is three-dimensional vision of an object, by using two eyes.