Editor's note: We have updated our reviews of both the Nikon Z6 and Nikon Z7, including scoring, to reflect both cameras' performance using the new firmware.

Nikon recently announced firmware update 3.0 for its Z6 and Z7 mirrorless cameras. Most notably, it includes AF system improvements that designed to replicate Nikon's class-leading 3D-tracking mode for DSLRs. We put it to the test to see how well it works.

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