I don’t understand how using a flash can freeze motion better than ambient light. In the end, isn’t it all just light hitting the sensor?
I don’t understand why it would do this. I mean it’s not necessarily like the camera knows and is like “Oh they’re using flash, I’ll be nice and give them a sharper picture’. I mean obviously they don’t think like that, but all in all it’s light luminating the subject and hitting the sensor, why does something like the source of the light affect how much motion can appear in your image?
In: Technology
The flash pulse is very short — in the order of 0.005 of a second or less. It’s also bright enough to deliver an exposure of the subject in that time which wouldn’t appear with ambient light.
Photographers often tweak the exposure to create interesting effects with longer exposures and strobe, such as car lights trailing behind the sharp image of the car.
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