Nikon D850 MultiCAM AF sensor module
Dpreview published their Nikon D850 autofocus test results. Their conclusion:
“Appropriately for a highly capable camera, the D850 comes with a highly capable autofocus system. In single-point Single AF and Continuous AF, as well as in its Dynamic area settings, accuracy, hit rate and precision all rank pretty high. However, the D850’s massive resolution shows up some inherent issues in terms of how DSLR autofocus systems work that might prevent you from getting all ‘keepers’ all the time, especially if your lens requires calibration. This shows up most often in wide-aperture work, such as some styles of portraiture, where autofocus precision is of paramount importance.
In terms of subject tracking, we continue to be perplexed by our experiences with 3D Tracking – but we must admit that, during burst shooting, the D850 pulls away handily when compared to its predecessor, the D810, as well as the Canon 5Ds R and Sony a7R II (though the Sony tracks better in Eye AF mode as long as you’re not shooting bursts). However, despite Nikon’s claims of D5 levels of performance, we collectively find the D850 to be somewhat lagging behind that lofty benchmark.”
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