It shutter shock fixable by firmware? I would buy the a7r as a landscape/nature/travel camera, but the shutter shock would really damage my kind of shooting. I am wondering is this will be resolved at some point, or if I'll have to wait for the next round of bodies.
Instead of using the now viral "shutter shock" term, I just think of it as vibration caused by the shutter. IN other words, same old-same old... shutter-induced vibration has been a factor in all focal plane shutters since the beginning.
No, it is not a factor in shutters with an electronic first curtain, as is found in most of the Sony mirrorless cameras (and the new Nikon D810). The A7 has an EFC but the A7r does not.
Live view cameras like the Sony A7/r/s have an extra part to the shutter cycle since they have to close the shutter before starting the exposure.
Not if there is an EFC.
In SLR cameras, discounting the potential for vibration caused by the mirror movement before the exposure, the shutter is static and closed before the exposure so the likelihood of vibration being induced as the exposure begins is minimized.
Olympus handles this issue by having a settable parameter to delay the exposure between shutter close and exposure time in the shutter's operation. In the latest firmware for the E-M1, they have a 'very short time' setting (about 0.03 seconds) for hand-held work and couple it with EFCS for exposures below 1/320 second, minimizing shutter-induced vibration handily.
Sony would do well to consider a similar solution to minimize vibration.
They don't need to for most of their mirrorless cameras.
But adding mass to camera and lens can minimize this vibration as well ... One test I've seen shows that simply adding the battery grip and a second battery pushes the vibration resonance right out of the time period where it can affect the exposure.
Shutter-induced vibration is a fact of any focal plane shutter due to the way they operate and the transfer of energy from that mechanical movement.
Where there is an EFC, there is vibration only after the exposure, when it doesn't matter.