global shutter and rolling shutter

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DPFranz
DPFranz Veteran Member • Posts: 3,752
global shutter and rolling shutter

So, a question just came to mind. It is well known that most electronic shutter functions read the sensor one row at a time, and this can result in rolling shutter effects for moving objects, periodic lighting, etc.

My question is, on a modern DSLR, how does the sensor function globally (all pixels captured at once) when using normal [mirror flips out of the way/shutter curtains actuate and reset/mirror falls back in place] method?

Why can't the sensor do whatever trick it does in mirror mode on a DSLR to get global exposure in electronic shutter mode on a mirrorless camera?

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Dana Paul Franz
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