• Definition for "focal ratio"
    • the proportion regarding the focal size towards diameter…
    • View More

focal ratio definition

  • noun:
    • the proportion regarding the focal size towards diameter of a (digital camera) lens system
    • the proportion of the focal size towards the diameter of a (camera) lens system
    • the proportion for the focal size towards the diameter of a (camera) lens system
    • the ratio associated with focal size towards diameter of a (digital camera) lens system
    • the ratio of this focal length toward diameter of a (digital camera) lens system
    • the proportion for the focal size on diameter of a (digital camera) lens system
89 votes

How would you define focal ratio?

All the definitions on AZdictionary were written by people just like you. Now's your chance to add your own!