That's interesting about the close proximity of the buttons making them difficult to use. Given the compact size of the Sony ILCEs, it's always going to be a challenge for the housing designers to keep the buttons apart - best example is the cruciform group to operate the main control wheel - they must be pretty awkward in drysuit gloves too. On the NEX6 housing, the AEL button is also next to the video control, and using the 3-click trick to switch from AF to MF and back on the NEX6, I've never hit the video by mistake: from the pictures of the a6000 housing, the position looks very similar, so I wouldn't anticipate an issue.
But then, I'm a confirmed warm-water diver ... and you're an Olympus user.
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