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field stop

noun
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Definition of field stop

: a diaphragm that determines the size of the field of an optical instrument

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First Known Use of field stop

1910, in the meaning defined above

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Time Traveler for field stop

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The first known use of field stop was in 1910

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Cite this Entry

“Field stop.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/field%20stop. Accessed 22 Feb. 2020.

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