Nikon Nikkor AF-S 105 mm f/1.4E ED review - Autofocus

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Nikon Nikkor AF-S 105 mm f/1.4E ED

26 November 2016

Arkadiusz Olech

10. Autofocus

When performing attached to the Nikon D7000 the autofocus of the Nikkor AF-S 1.4/105 is noiseless. All you can hear is a low whirr of moved elements. Unfortunately the speed is hardly impressive. Running through the whole distance range and finding the focus takes about one second. That result doesn’t change when you attach the tested lens to the Nikon D3x.

The accuracy of the autofocus of the Nikkor 1.4/105 we like definitely more than its speed. In studio the number of misses didn’t exceed 3%. On the other hand there were as many as 80% of perfect hits (deviation not higher than 10% from the maximum MTF result) . Although in worse lighting conditions the autofocus of the Nikkor sometimes gets lost and wavers a bit, when it finds the proper focus you are guaranteed it is set exactly as it should be.

As you can see in photos below there were no serious problems with front or back focus tendencies. While attached to the Nikon D3x the lens hit the right point without any calibration at all. With the lens cooperating with the Nikon D7000 you could notice a slight shift toward the longer end of the focal range but the effect was so slight that practically imperceptible.

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