réglage de la vitesse d’obturation
/ʁeɡlˈaʒ də- la- vitˈɛs dɔbtyʁasjˈɔ̃/
n
English: shutter speed setting · 快门速度设置
Sens：Buttons that select the length of time a film is to be exposed to light (exposure time).
English: shutter speed setting · 快门速度设置