Synonyms and Antonyms for focal-ratio

1. focal ratio (n.)

the ratio of the focal length to the diameter of a (camera) lens system

Synonyms: Antonyms:

3. focal (adj.)

having or localized centrally at a focus

Synonyms: Antonyms:

4. ratio (n.)

the relation between things (or parts of things) with respect to their comparative quantity, magnitude, or degree

Synonyms: Antonyms:
x