Another strange bug with D4, possibly D800!?!?

Started Feb 5, 2013 | Discussions thread
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Re: Another strange bug with D4, possibly D800!?!?
In reply to Robin Casady, Feb 5, 2013

Robin Casady wrote:

If you are using Matrix Metering, the area under the AF box will be considered to medium value (18% grey) and this weighs more heavily on exposure calculation with the D4 and D800 than on previous models. Since exposure is not locked when you recompose, exposure is recalculated with the new AF spot.

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I think he understands that.  The point he is making, I think, is that the exposure changes when he lets go of the AF-ON button.  When he presses af-on the focus locks.  When he recomposes the exposure changes as he expects it will and as you have pointed out.  But when he lets go of AF-on the exposure calculation changes dramatically.  Am I understanding the OP correctly?

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Mike Dawson

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