Meaning of f number in English

1. Pronunciation

   US accent

   How to pronounce f number in American English, in context ▾
   Use the controls below to browse different examples of pronunciation.

   UK accent

   How to pronounce f number in British English, in context ▾
   Use the controls below to browse different examples of pronunciation.

1. Noun

   f number

   Definitions

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

Browse dictionary

• F layer
• F clef
• Fyodor Mikhailovich Dostoyevsky
• Fyodor Mikhailovich Dostoevsky
• f number
• F region
• G
• g-force
• G-Jo