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Electronic shutter: advantages and disadvantages

Started Sep 6, 2015 | Discussions thread
junk1 Senior Member • Posts: 1,788
Re: Slow shutter ≠ slow readout

He didn't say it would be blurred, he said "degraded".

I fear the GM1/GM5/GF7 mechanical shutter has the same issue.  Pretty sure the shutter always travels at 1/50s (the flash sync speed) and to get less exposure, the shutter is only opened partway (a "slit" travels across the sensor).  To get 1/500s, I think the shutter is opened only 10% and travels at 1/50s.  So if the subject is jumping on a trampoline, they might get stretched or shrunk (if the shutter moves vertically, I'm unsure which direction they move).

I think cameras get away with the slow shutters (as long as the exposure speed freezes the action) because human eyes/brain will see blurriness much easier than distortion - similar to how our brains "ignore" barrel distortion.

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