What else is happening before the first curtain on E-M1?

Started Mar 31, 2014 | Discussions thread
Alien from Mars
Alien from Mars Contributing Member • Posts: 567
Re: Shutter video

Anders W wrote:

And what would all the noise from about 0.120 to about 0.180 in the first graph and in the neighborhood of those two peaks be about? And where would the corresponding "cocking" of the FCC be?

I just don't see the benefit of moving second curtain during sensor readout with a possible risk of image degradation because of light leaks.

While you might be right it's impossible to prove it or disprove without the high-speed video.

The noise could correspond to sensor stabilization system for example (yes, IS was off for exposure but EMs could re-engage after the exposure to recenter the sensor, don't you think?).

"cocking" for FCC could be the very first peak in the recording (marked "?"), could be the very last peak in the first two graphs (what I now suggest as SCO event).

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