Sony FE 50 mm f/1.2 GM review - Autofocus

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Sony FE 50 mm f/1.2 GM

16 March 2021

Maciej Latałło

10. Autofocus

The Sony FE 50 mm f/1.2 GM features four XD (eXtreme Dynamic) linear lens motors so focusing is supposed to be exceptionally efficient. When attached to the Sony A7R III the autofocus of the tested lens is noiseless and quite fast. Running through the whole distance range and confirming the focus takes about 0.5 of a second, no matter from what end you start. We didn't observe any wavering or focus play even in weaker lighting conditions.

When it comes to accuracy we didn't have any reservations either, no matter whether we shot in our studio or outside. Misses happened but they were few and far between. In this category, once again the lens should be assessed very positively.

We didn't notice any distinct front or back focus tendency. In the photo below you can spot a slight depth of field shift toward the photographer but that effect isn't very pronounced and the proper target still remains sharp. Mind you, the photo was taken at the most difficult combination so at the maximum relative aperture and near the minimum focusing distance. During ordinary photos such a slight depth of field shift shouldn't be visible at all.

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