Autofocus speed comparison of mirrorless?

Started 6 months ago | Discussions thread
Alex Notpro
Contributing MemberPosts: 700Gear list
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Olympus E-M1
In reply to MinAZ, 6 months ago

I've owned a J1. I also have currently an E-PM2, and E-M1.

As far as actual speed to focus on a static subject, I don't feel a difference, but there's more to it.

The E-M1 AF performance comes closest to the J1 but still falls short. The continuous AF (PDAF) area is smaller, with half the number of AF points. And in my opinion Olympus' AF algorithm gives up on PDAF way too easily and falls back on CDAF (hunting) when IMHO it should just hang in there (or give us a PDAF-only mode!).

The E-PM2 AF performance is not comparable to J1 if the subject is moving around too much.

Still I prefer the MFT cameras over the J1 for other reasons, which I'm not sure you want to get into in this thread.

 Alex Notpro's gear list:Alex Notpro's gear list
Nikon D600 Olympus PEN E-PM2 Olympus E-M1 Panasonic Leica Summilux DG 25mm F1.4 Leica Nocticron 42.5mm +15 more
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