focal ratio
focal ratio is a valid 11-letter word worth 15 points in Scrabble and 17 in Words With Friends.
the ratio of the focal length to the diameter of a (camera) lens system
Anagrams
Anagrams of focal ratio
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focal ratio is a valid 11-letter word worth 15 points in Scrabble and 17 in Words With Friends.
the ratio of the focal length to the diameter of a (camera) lens system