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2 votes

How do fast shutter speeds actually work?

All the answers above are, for the most part, correct. After a bit of net sleuthing, it turns out that, not only does the shutter band sweep across the sensor chip or film in sequence, but the sensor ...
David Bunnell's user avatar
27 votes
Accepted

How do fast shutter speeds actually work?

Let me add some images. On a mechanical shutter, you have two physical curtains (A) that move when you take a photo (B). The shutter speed is the average time the gap is over a zone of the sensor (C). ...
Rafael's user avatar
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7 votes

How do fast shutter speeds actually work?

Your understanding is basically correct except that there is a rolling shutter effect with a mechanical shutter. But it is not nearly as bad as the typical electronic rolling shutter effect. The ...
Steven Kersting's user avatar
8 votes

How do fast shutter speeds actually work?

You can take a picture faster than 1/250, it just means that any individual position in the picture has been exposed for that duration, but not at the same time. On these pictures (both taken at 1/...
xenoid's user avatar
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