depth of focus

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

Example Sentences

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

In a study in the Journal of Cataracts & Refractive Surgery, researchers from the University of Rochester created computational eye models that included the corneas of post-LASIK surgery patients and studied how standard intraocular lenses and lenses designed to increase depth of focus performed in operated eyes.

From Science Daily

“Rather than working super long hours, they maximized the amount of depth of focus time they had per day,” he said, “and really protected that and organized their day so they could put in about 4 or 4½ hours of really intensive deep work.”

From Washington Post

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

From Slate

The film theorist André Bazin wrote that a long take, with its depth of focus, could bring “the spectator into a relation with the image closer to that which he enjoys with reality.”

From Los Angeles Times