Definition of f-stop in English:

f-stop

noun

Photography
  • A camera setting corresponding to a particular f-number.

    • ‘I was inducted into the arcane mysteries of shutter speeds, f-stops, ASA / ISO and the curious phenomenon of the (separate, handheld) light meter.’
    • ‘He seemed hardly to care about f-stops or shutter speeds.’
    • ‘The aperture size is usually given as the f-stop or f-number.’
    • ‘If you tell it to do so, the camera will preset f-stops and shutter speeds (it also has an auto flash) in just about any environment.’
    • ‘There isn't much use for f-stops, shutter speeds, or focusing.’

Pronunciation:

f-stop

/ˈefˌstäp/