preparation and planning of binoculars
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Answer:
Modern binoculars consist of two barrel chambers with an objective lens, eyepiece, and a pair of prisms inside. The prisms reflect and lengthen the light, while the objective lenses enhance and magnify images due to stereoscopic vision.
The prisms are coated with dielectric materials (metal oxides) by physical vapor deposition inside a vacuum chamber. ... The prisms are placed by hand inside the binocular casing and manually screwed in place. The objective lenses are held in place by a metal or plastic ring and the eyepiece is fitted with a rubber eyecap.
Binocular types. There are two main types of binocular design: roof prism and porro prism. Each type differs in the way the prisms channel light through the binoculars to your eyes. Roof prism binoculars have an 'H' shaped design, where the eyepiece and the binocular tubes are in a single line.