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Results tagged with lenses
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user 424167
A lens is a transmissive optical device that focuses or disperses a light beam by means of refraction.
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Can a concave lens be used as a eyepiece in refracting telescopes instead of a convex lens
Whats the harm if we use concave lens as eyepiece instead of another convex lens? We just need to make the foci of eyepiece and objective coincide.
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