I purchased a used lens and it turned out to be a non-D version. That means that I would lose the 3D Matrix Metering, but still will have regular matrix metering. I am not sure exactly what 3D Matrix Metering actually does. From the first few pictures that I've taken, I think the camera is metering fine. So, I am not sure what I would be losing. For those with more experience with 3D metering, can you please explain?
Charlie Color Matrix metering and 3D Colr Matrix metering differ only in the fact the the 3D refers to ranging info provided to the body by D&G lenses. Like Hedly said this info is used to control flash output.
Actually Nikon claims that the D info affects non flash metering too, although I never seen an explanation of what changes. The whole Matrix metering algorithm seem to be a closely guarded secret. As a practical matter what Hedley says is true. I've never seen any difference between the non flash Matrix metering using AF-D/G lenses, non D AF lenses, or MF lenses on my F6 or D300.
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Hi Charley I hesitate to challenge the earlier views, but I thought that one of the ground-breaking features of the D700 is that focusing and metering are more closely integrated by firmware than in any previous Nikon body; and while I would agree with the view that non 3-D colour matrix metering provides distance information useful for flash, it surely does a little more than than that? The colour matrix provides sensor-detected information, based on colour contrast, that informs the metering not only about distance but also about where the metered subject is in the frame. This is then used to help the camera make better decisions on metering than would otherwise be the case. I have been using the D700 for the past month, testing old manual lenses quite intensively (having entered the non-CPU lens data beforehand) and I've been very pleased with the results using non 3-D colour matrix metering.
Thanks for that input, what is your source? I did not find that info in the manual when I gave my response, I was more or less quoting what Nikon stated in the D700 manual that 3D Color Matrix metering provided ranging data and regular Color Matrix metering did not.