the question is how long. For example the flash you have/had on standard camera (not smartphone who have LEDs, but the standard compact camera that is just a c

the question is how long. For example the flash you have/had on standard camera (not smartphone who have LEDs, but the standard compact camera that is just a camera) is about 1kW!! But this 1kW you have it for about 1ms (milisecond!!). It seems to last longer because the light gets “burned” into your eye.