stop down

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stop down

verb stops down · stopping down · stopped down

To decrease the aperture of a photographic lens, moving from an f/stop represented by a lower number to an f/stop represented by a higher number. The f/stops are arranged so that as you stop down, each stop allows half the amount of light to pass through as the stop before it did.

Opposite: stop up

Thesaurus

verb

Opposite: stop up

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MLA

"stop down." Wiktionary, via Micwyn, micwyn.com/word/stop%20down. Accessed 6 Nov. 2026.

APA

stop down. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/stop%20down

Chicago

"stop down." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/stop%20down.

BibTeX

@misc{stop_down_2026,
  title = {stop down},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/stop%20down},
  urldate = {2026-11-06}
}