depth of field

noun phrase

: the range of distances of the object in front of an image-forming device (such as a camera lens) measured along the axis of the device throughout which the image has acceptable sharpness

Examples of depth of field in a Sentence

Recent Examples on the Web
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In photography, aperture is the camera lens’s adjustable opening, which controls how much light gets in, thus affecting the brightness and depth of field of the image. Rachel Desantis, PEOPLE, 20 Jan. 2026 That's because the telescope's depth of field narrowed the altitudes where Brown could appear sharp in freefall. Josh Dinner, Space.com, 22 Nov. 2025 However, its variable aperture means the lens opening can be adjusted to let in more light, allowing for brighter images, greater depth of field, more vivid macro shots, and better performance in low-light conditions. New Atlas, 21 Nov. 2025 The depth of field is influenced by the interplay of the aperture, the focal length of the lens, and the position of the subjects within the scene. Scott Gilbertson, Wired News, 15 Nov. 2025 See All Example Sentences for depth of field

Word History

First Known Use

1855, in the meaning defined above

Time Traveler
The first known use of depth of field was in 1855

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Cite this Entry

“Depth of field.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/depth%20of%20field. Accessed 1 Feb. 2026.

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