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Lens review

Olympus M.Zuiko Digital 12 mm f/2.0 ED

3 August 2011
Szymon Starczewski

10. Autofocus

The 12 mm focal lengths in most of cases provides large depth of field. For example if the aperture is set by f/4.0 you can set the distance scale at 2.5 meters and enjoy sharp images from 1.23 meters to infinity. The depth of field scale, put on the lens, makes operating the manual focus ring easier.

Olympus M.Zuiko Digital 12 mm f/2.0 ED - Autofocus


Of course you don’t have to set focus manually if you don’t feel like it. We get an efficient autofocus mechanism, made in MSC (Movie and Still Compatible) technology. Its work is beyond reproach. Even attached to an older model of a camera, like the E-PL1, it is silent and so efficient that focusing rarely takes more than 0.5 of a second. That speed is even reduced when the lens is attached to such a body as, say, the E-P3.

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When it comes to the accuracy, taking into account the lens’s depth of field and good lighting conditions in our studio, we didn’t expect any problems and we were right. The lens always hit where it should. As you see in the photo below we also didn’t notice any front or back focus tendency.

Olympus M.Zuiko Digital 12 mm f/2.0 ED - Autofocus