COLLIMATOR - Definiția din dicționar
Traducere: română
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Col"li*ma`tor (?), n. 1. (Astron.) A telescope arranged and used to determine errors of collimation, both vertical and horizontal.
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2. (Optics) A tube having a convex lens at one end and at the other a small opening or slit which is at the principal focus of the lens, used for producing a beam of parallel rays; also, a lens so used.
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