Engelsk substantiv: collimator |
1. | collimator (om gjenstand) a small telescope attached to a large telescope to use in setting the line of the larger one |
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| Mindre spesifikke uttrykk | scope, telescope |
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2. | collimator (om gjenstand) 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 |
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| Mindre spesifikke uttrykk | optical device |
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| Omfatter disse overordnede uttrykkene | prism spectroscope, spectroscope |
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