LensTip.com

Lens review

Panasonic Leica DG Vario-Elmar 100-400 mm f/4.0-6.3 ASPH. POWER O.I.S.

12 June 2016
Arkadiusz Olech

10. Autofocus

The autofocus of the tested lens joined with the Panasonic G7 works very fast and is pretty silent. Running through the whole distance scale and finding the focus takes about 0.4 of a second no matter what focal length which is an excellent result. So excellent, in fact, that it makes the focus limiter (from 5 meters to infinity) quite redundant; when you employ it you are able to improve the focusing speed by just another 0.1-0.2 of a second. Like in the case of the Fujinon 100-400 mm, tested by us not so long ago, we have to say the initial value of 5 meters is perhaps a tad too high.

The tested lens had no accuracy problems either in studio or outside so we can praise it again.

When it cooperated with the Panasonic G7 the focus was always set where it should. After attaching it to the Olympus E-PL1 it seems the depth of field was shifted toward bigger distances but the effect was negligible, visible only if you take photos from the minimum focusing distance available.


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E-PL1, 300 mm, f/5.6
Panasonic Leica DG Vario-Elmar 100-400 mm f/4.0-6.3 ASPH. POWER O.I.S. - Autofocus
E-PL1, 400 mm, f/6.3
Panasonic Leica DG Vario-Elmar 100-400 mm f/4.0-6.3 ASPH. POWER O.I.S. - Autofocus
G7, 300 mm, f/5.6
Panasonic Leica DG Vario-Elmar 100-400 mm f/4.0-6.3 ASPH. POWER O.I.S. - Autofocus
G7, 400 mm, f/6.3
Panasonic Leica DG Vario-Elmar 100-400 mm f/4.0-6.3 ASPH. POWER O.I.S. - Autofocus