Illustration of periscope
periscope
noun
peri·scope
ˈper-ə-ˌskōp 
: a tubular optical instrument containing lenses and mirrors by which an observer obtains an otherwise obstructed field of view
Examples of periscope in a Sentence
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The periscope camera has an aperture of f/2.68 and also supports OIS, EIS, and autofocus, and includes 3x optical zoom, 6x digital zoom, and 60x ultra hybrid zoom.
—
Eric Zeman, PC Magazine, 1 July 2025
According to The Verge, the new handset is equipped with four camera sensors, one of which is a new 200 megapixel periscope lens that Xiaomi says excels in low light, with the remaining three sensors registering at 50 megapixels each.
—Janhoi McGregor, Forbes, 27 Feb. 2025
The camera combines a 50-megapixel main lens and an 8-megapixel ultrawide with a 50-megapixel periscope telephoto lens, which is unheard of at the 530 euro asking price (430 euros with the early bird offer).
—Simon Hill, WIRED, 4 Mar. 2025
The periscope belonged to a miniature Japanese submarine operated by a two-man crew.
—Nick Woltman, Twin Cities, 23 Feb. 2025
See All Example Sentences for periscope
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Eric Zeman, PC Magazine, 1 July 2025
According to The Verge, the new handset is equipped with four camera sensors, one of which is a new 200 megapixel periscope lens that Xiaomi says excels in low light, with the remaining three sensors registering at 50 megapixels each.
—Janhoi McGregor, Forbes, 27 Feb. 2025
The camera combines a 50-megapixel main lens and an 8-megapixel ultrawide with a 50-megapixel periscope telephoto lens, which is unheard of at the 530 euro asking price (430 euros with the early bird offer).
—Simon Hill, WIRED, 4 Mar. 2025
The periscope belonged to a miniature Japanese submarine operated by a two-man crew.
—Nick Woltman, Twin Cities, 23 Feb. 2025
See All Example Sentences for periscope
Cite this Entry
“Periscope.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/periscope. Accessed 18 Jul. 2025.
Copy CitationKids Definition
periscope
noun
peri·scope
ˈper-ə-ˌskōp
: an instrument containing lenses and mirrors by which an observer (as on a submerged submarine) can get a view that would otherwise be blocked
periscopic
adjective
ˌper-ə-ˈskäp-ik
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