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Olympus Pen F autofocus

Started Jul 27, 2016 | Discussions thread
Helen
Helen Veteran Member • Posts: 7,606
Re: Olympus Pen F autofocus
2

zikman wrote:

so ..what to suppose ? is the body faulty or not?

Trying this morning with P5 i could focus fast picking an edge at low light conditions but not with my Pen F!

Don't worry that your camera is faulty - this is (unfortunately) normal for the Pen-F, at least at present. The issue doesn't show with a large aperture lens in my tests (i.e. f1.8 17mm) , and never in daylight with any lens, but happens in slightly subdued artificial light, particularly with a relatively slow maximum aperture (I don't have your f2.8 lenses, so I'm referring to slower ones than those) and (apparently) objects at the orange/red end of the spectrum in particular, and it will struggle to lock focus when a 16 MP Olympus won't, with the same lens. I've tested them side by side (and tested another Pen-F to be absolutely sure it's not an isolated issue). I assume there is something about the 20 MP sensor that struggles in these situations, at least using Olympus AF algorithms. I am hopeful they might adjust something in due course via firmware that helps with the issue.

I suppose it may also be related to the C-AF issues that were mentioned in the Camera Store test on YouTube.

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