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depth of focus

British  

noun

  1. the amount by which the distance between the camera lens and the film can be altered without the resulting image appearing blurred Compare depth of field

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

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Whether it’s enemy forces or some random buffalo, the movie’s shallow depth of focus ensures that we only see our troops.

From Los Angeles Times • Jun. 19, 2025

Although better sectioning is possible by using a higher illumination numerical aperture, this creates a shorter depth of focus that reduces the system's usable field of view.

From Science Daily • Mar. 20, 2024

Camera software has the ability to create an artificial depth of focus by blurring the background, also known as the Bokeh effect.

From Slate • Feb. 25, 2020

Figure 27.54 A confocal microscope provides three-dimensional images using pinholes and the extended depth of focus as described by wave optics.

From Textbooks • Aug. 12, 2015

Only the tremendous depth of focus of the lens which caught the picture gave the illusion a sense of unreality.

From Anything You Can Do! by Garrett, Randall