閃光燈英文係咩?

photoflash
strobe
flash lamp
flash bulb
flashlight

就咁 flash 就可以，唔好諗得太復雜，唔係用個英文字長就代表你英文勁

如果你指相機本身已經有既就係 built-in flash
相機頂外置閃燈就係 external flash / flash gun
影樓就係 studio flash

flash-light

photoflash...