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| p.2 #17 · p.2 #17 · GH3 the fastest AF in the world ready to kick OM-D behind |
All the AF speed claims always have seemed a bit silly to me when it comes to the m4/3 cameras because its always just for single shot AF, which has always been plenty quick on darn near every m4/3 body I've owned.
Now there are some cameras that were a bit slow in single shot, Sigma DP's, X1 pre f/w, X100 pre f/w etc, where it was painfully slow, but everything else is basically instant, assuming you've got the right lens.
No one is going to be able to tell if the GH3 is 1 miliseconds faster than the EM-5, its just to small of division of time to notice.
Its also realistically not going to make a difference in getting the shot or not, because at least in my experience street shooting, AF, fast or not, isn't reliable.
Sure the camera will focus on SOMETHING, but what good is focusing on the wrong part of the frame no matter how quickly it does it ??
Thats why I zone focus for that type of work where I want the decisive moment if you will. I want to simply frame the shot and not worry about whats in focus.
If I can raise the camera and have it focus perfectly and not have any shutter lag, great. But cameras can't read my mind and know what I wanted in focus, especially in a busy crowd shot with lots of different contrast subjects to choose from, or off center subjects.
Realistically I think single shot AF claims when faster than a base functional level are really empty marketing fodder with little real world significance.
Making a good tracking AF system that could come anywhere close to a good phase detect system ?
Now that would be HUGE for m4/3