Olympus M.Zuiko Digital 12-40 mm f/2.8 ED PRO
10. Autofocus
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The autofocus of the lens, cooperating with the elderly Olympus E-PL1, fares very well indeed. Its work is silent and very fast. Setting the focus on the right object takes just 0.2-0.3 of a second. Passing to the OMD E-M1, a much newer camera model, it was difficult to perceive any significant improvement in speed because already on the E-PL1 the performance of the lens was impressive. Here the tested lens can only be praised.
The accuracy of the Olympus can be described in similar words. On both bodies the number of misses during our test done in studio conditions was exactly zero. The lens was simply infallible and it didn’t have any front or back focus tendency either – you can see it very clearly in photos shown below.
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