Arti kata
collimator
Definition of collimator (English)
noun
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a small telescope attached to a large telescope to use in setting the line of the larger onesumber: wordnet30
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optical device consisting of a tube containing a convex achromatic lens at one end and a slit at the other with the slit at the focus of the lens; light rays leave the slit as a parallel beamsumber: wordnet30
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A telescope arranged and used to determine errors of collimation, both vertical and horizontal.sumber: webster1913