shutter speed
US /ˈʃʌt̬.ɚ ˌspiːd/
UK /ˈʃʌt̬.ɚ ˌspiːd/

1.
czas naświetlania, migawka
the length of time that a camera's shutter is open when taking a photograph, which determines how much light reaches the sensor or film
:
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A fast shutter speed is essential for freezing motion in sports photography.
Szybka migawka jest niezbędna do zamrażania ruchu w fotografii sportowej.
•
For low-light conditions, you might need a slower shutter speed.
W warunkach słabego oświetlenia może być potrzebna dłuższa migawka.