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| p.1 #6 · Question about using Aper Priority mode on D800 video |
Yeah, I actually went and checked on the power aperture thing on my D800 and that definitely doesn't work during live view recording, as mshi says. Pretty ridiculous since they talked it up so much as a benefit for shooting video. Regular stepped changes work fine though.
It works only when you have HDMI video out to an external monitor, which basically turns off Live View automatically.