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Lens review

Nikon Nikkor AF-S 20 mm f/1.8G ED

18 October 2014
Szymon Starczewski

10. Autofocus

The tested lens is equipped with an ultrasonic SWM motor – small wonder its work is noiseless and fast, with such a narrow working range of the manual focus ring. Running through the whole distance scale and finding the right focus takes no longer than 0.5 of a second.

The combination of a significant depth of field and an efficient autofocus mechanism resulted in lack of any distinct misses. The focusing system of the tested lens we assess very well.

When attached to the Nikon D7000, a camera belonging to our editorial office, the lens had a distinct back focus tendency. The autofocus micro adjustment by 13 units managed to eliminate that problem, though. The lens attached to the Nikon D3x didn’t need any regulation at all.

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Nikon Nikkor AF-S 20 mm f/1.8G ED - Autofocus

Nikon Nikkor AF-S 20 mm f/1.8G ED - Autofocus