NEX-5 Video - crazy shutter speeds.

Started Jan 29, 2011 | Discussions thread
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Re: What speed during video?
In reply to Amateur Sony Shooter, Jan 31, 2011

Amateur Sony Shooter wrote:

Sorry for my dumb question. Is it shutter only apply when you take still pictures? For video recording my understanding is that the shutter always remain open. I heard lots of talks about "rolling shutter", "jittery", etc. Can someone explain to me in plain language. What happened when still camera is doing video recording?

When talking about video we are talking about the electronic shutter, not the mechanical one.

An electronic shutter will capture a frame off the sensor and give it a timed exposure (shutter speed). It does this 24, 25 or 30 times per second (depending on the frame rate of the video).

The mechanical shutter is only for stills. If it was used for video I think it would have a pretty short life, assuming it could even keep up with the frame rate.

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