I forget where I heard it, but someone said that for Sony to do 7K / Open Gate would require codec modifications and that was a possible reason why Sony didn't want to do it.
Don't take that as gospel though, seems odd that Sony would have such a brittle codec.
I heard the same. My understanding is that its a software issue and instead of addressing it now on a lower tier camera they would push it off and tackle the change for a higher end model and then let that trickle down.. Their is a Sony Rep on record saying they don't think open gate is a feature their customers will actually use enough for them to address it now. While I disagree I see the corparate greed side of them knowing no one in the E mount ecosystem is going to leave over that one feature.
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