A camera lens whose focal length can be rapidly changed, allowing rapid change in the size of an image.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "zoom lens" in a sentence
"And then the video cuts to an intersection filmed on a long zoom lens several hundred yards from the cameraman’s position."