collimating lens
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Related to collimating lens: beam collimation
collimating lens
[′käl·ə‚mād·iŋ ‚lenz] (optics)
A lens on a collimator used to focus light from a source near one of its focal points into a parallel beam.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.