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optical axis
noun as in line of sight
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Example Sentences
By rotating the lower plate each of the objectives can be brought successively in to the optical axis of the microscope.
The optical axis of a telescope, or an imaginary line passing through the centre of the tube.
The whole apparatus may be raised and lowered in the optical axis by means of a screw.
The stage can be brought in a position vertical to the optical axis and the metal hand rests laid on top of the stage.
When the spar is cut and used in a certain direction, we see but one mark, and such a position is called its optical axis.
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On this page you'll find 7 synonyms, antonyms, and words related to optical axis, such as: beeline, line of vision, sightline, straight shot, view, and visible horizon.
From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.
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