1. a bright flash of light produced by a camera flash unit, used to illuminate a subject during photography
Usage: often used in photography and cinematography contexts

Examples

• The photoflash went off as soon as the shutter opened.
• She adjusted the camera settings to reduce the intensity of the photoflash.
• The photoflash illuminated the dark room instantly.
• Professional photographers often use external photoflash units for better control.
• The sudden photoflash startled the subject during the portrait session.