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Lens review

Olympus M.Zuiko Digital ED 45 mm f/1.2 PRO

21 February 2018
Maciej Latałło

10. Autofocus

The autofocus of the tested lens is silent and quick, no matter whether you join it with the E-M5 Mark II or with the E-PL1. Running through the whole distance scale and focus confirmation takes more or less 0.4-0.5 of a second which is a very good result.

The Olympus 1.2/45 is a joy to use both inside and outside. We didn’t notice practically any autofocus problems and the majority of photos were perfectly sharp, with the focusing mechanism locking on every time.

If you choose the most difficult combination of the minimum focusing distance and the maximum relative aperture you can see that the depth of field is spread asymmetrically around the target and shifted a bit to the front. Such an effect is not especially pronounced, partially stemming from the curvature of the field, not from any autofocus flaws.

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Olympus E-M5 II, f/1.2
Olympus M.Zuiko Digital ED 45 mm f/1.2 PRO - Autofocus