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Definisi 'collimator'
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English to English noun
| 1 |
a small telescope attached to a large telescope to use in setting the line of the larger one |  | source: wordnet30
| 2 |
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 beam | | source: wordnet30
| 3 |
A telescope arranged and used to determine errors of collimation, both vertical and horizontal. | | source: webster1913
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