The more glass pieces a lens has, the harder it is to move all those elements quickly. The Nikon Z 100-400mm f4. 5-5. 6 VR S doubles up on autofocus motors in order to quickly move its 25 different elements to bring the subject into focus.
And while initially finding that subject with all those parts can still take a little time, the dual motors keep track of quick subjects without dropping too many frames. . thephoblographer.com
2023-4-12 07:00