Examples of focal length in a Sentence
Recent Examples on the Web
This Promaster 77mm Digital Lens Hood, selling for under $20 at Walmart, has a petal shape designed for the wide focal lengths required by today's digital SLR cameras.
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Nora Colomer, Fox News, 21 June 2024
Close focus for 1:2 reproduction (at the 50mm focal length) adds some versatility.
—PCMAG, 6 June 2024
With its relatively short focal length and modest aperture, planets appear small and show little detail.
—PCMAG, 16 May 2024
Resolution begins to dip around f/16 at all focal lengths due to optical diffraction, with pictures looking soft at the smallest f-stops.
—PCMAG, 22 Mar. 2024
See all Example Sentences for focal length 
Nora Colomer, Fox News, 21 June 2024
Close focus for 1:2 reproduction (at the 50mm focal length) adds some versatility.
—PCMAG, 6 June 2024
With its relatively short focal length and modest aperture, planets appear small and show little detail.
—PCMAG, 16 May 2024
Resolution begins to dip around f/16 at all focal lengths due to optical diffraction, with pictures looking soft at the smallest f-stops.
—PCMAG, 22 Mar. 2024
See all Example Sentences for focal length
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“Focal length.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/focal%20length. Accessed 2 Jul. 2024.
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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