Thanks for your response. That's what I thought would be the case. I'll do some tests when I get the camera to determine the difference in vibration between normal front and rear curtain shooting and electronic front curtain. At the very least though not having to use mirror lockup means one step removed from the workflow so that's a good thing.tcmatthews said:It has been shown in test that Canon's Electronic First Curtain Shutter (EFCS) (Live View Silent Shutter Mode 2) has even less vibration than mirror lockup. The only time I use mirror lockup is when I need to have major stability with a flash mode that is disabled in that mode of Live View. Basically every landscape shot sense the 60D came out has been made in Live View
That said my Nex6 and A7II both have EFCS the fact the A7r did not is one of the reasons I would not buy one. So the A7rII should be much better than the A7r both with is reworked shutter and EFCS.
In normal mode of a DSLR the shutter is actuated twice. Once at the start of the exposure one and the end. The A7r worked this way all the time it would close the shutter to start exposure then open it again to expose then close again to end exposure. This can cause the camera to vibrate slightly or in the A7r case noticeably. With EFCS there is no source of vibration until the shutter closes to end the exposure.
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