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Info: This web site is based on WordNet 3.0 from Princeton University.
English
noun
:
stop number
1.
stop number
the ratio of the focal length to the diameter of a (camera) lens system
Synonyms
f number
,
focal ratio
,
speed
Broader (hypernym)
ratio
Based on WordNet 3.0 copyright © Princeton University.
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. English edition:
Peter Jensen
.
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