Examples of focal length in a Sentence
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Maksutov-Cassegrain is a catadioptric design that uses two mirrors to allow a long focal length to fit into a compact optical tube.
—
Harry Bennett,
Space.com,
11 June 2026
Full specs are still under embargo until later, but the Pocket 4P brings back the 1-inch sensor seen in the DJI Pocket 4, with a secondary camera that provides a longer focal length.
—
Ben Sin,
Forbes.com,
15 May 2026
The lens shows a little bit of pincushion distortion at longer focal lengths in Raw format, but in-camera corrections squash the issue for JPGs and movies.
—
Jim Fisher,
PC Magazine,
13 May 2026
Supporting this is a multi-camera array designed to work across various focal lengths.
—
New Atlas,
27 Apr. 2026
See All Example Sentences for focal length
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Harry Bennett,
Space.com,
11 June 2026
Full specs are still under embargo until later, but the Pocket 4P brings back the 1-inch sensor seen in the DJI Pocket 4, with a secondary camera that provides a longer focal length.
—
Ben Sin,
Forbes.com,
15 May 2026
The lens shows a little bit of pincushion distortion at longer focal lengths in Raw format, but in-camera corrections squash the issue for JPGs and movies.
—
Jim Fisher,
PC Magazine,
13 May 2026
Supporting this is a multi-camera array designed to work across various focal lengths.
—
New Atlas,
27 Apr. 2026
See All Example Sentences for focal length
Cite this Entry
“Focal length.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/focal%20length. Accessed 6 Jul. 2026.
Copy CitationMedical Definition
focal length
noun
: the distance of a focus from the surface of a lens or concave mirror
—symbol f
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