Before I post some sample photos, some thoughts:
The new auto-ISO implementation is very good. I have been spoiled by my Nikon. Being able to set shutter speed parameters, even in A-mode, makes A-mode much more useful. Especially when you have a non-stabilized body... some lenses you may want to shoot faster than other lenses. Anyway, the new auto-ISO implementation is very very good.
Second, Big HOORAY for the return of the level. It is one of the best features of an EVF, in my opinion. Without realizing it, it's amazing how much I can tilt the camera back and forth. The full X-Y level right in the middle of the frame, really really is super helpful.
Next, a mixed bag... Where you previously had a customizable AEL button, that button is now attached to a dial. By default, it is MF/AF, or dial it to AEL. Or you can customize both. In theory, that's great. And I have already mapped eye-AF to the button. The problem is, the way the button is in-laid into the dial, it can actually make it a bit more difficult to push the button. Will definitely need to get used to the feel of it.
So in my 5 minutes of shooting today, there were lots of black birds circling in the sky a few hundred feet away. Against the bright sky, I really only got black bird shapes. So not exactly great bird photos, and I was quite distant. But it was a great test of the AF system, and it was VERY VERY impressive. I stuck to expanded flexible spot, AF-C. With the new 8 fps live stream, it was MUCH easier to follow the birds, than with prior EVF cameras. A surprising number of my shots with the 70-200/4 got perfect focus.
A few examples:
DSC00102.jpg by
Adam Brown, on Flickr
DSC00098.jpg by
Adam Brown, on Flickr
DSC00094.jpg by
Adam Brown, on Flickr
These are all basically 100% crops. If I had RAW support, I could probably pull out quite a bit of detail in the bird bodies. So this isn't a great judge of IQ, but the AF was mostly really a winner, especially with the 8 fps live view... EXCEPT..
Yes, there is an except. At first, I was shooting in single shot. Stopped down to F8. Quickly and accurately got focus. Then switched to 8 fps... At F8, I had a surprising amount of AF hunting, especially considering it was a sunny day, and I was shooting a high contrast subject. Maybe I'm wrong, but if I recall, when shooting in high drive mode, the camera may keep the lens stopped down, instead of acquiring AF wide open (anyone know if this is true?) Thus, at F8, it seemed to hunt quite a bit for AF, even in good light. I opened up the aperture a bit, and AF returned to being snappy. I'd like to test this a bit more. But for shooting sports and wildlife, I really want to be able to get great AF at F8 and 8fps.
Next, really boring, I just wanted to check the sharpness of the 70-200 at base ISO.
These are 100% crops:
200mm, at F4, center of the frame:
DSC00087.jpg by
Adam Brown, on Flickr
Tad soft, but not bad at all.
Stopped down to 5.6, 200mm, the center of the frame is excellent:
DSC00124.jpg by
Adam Brown, on Flickr
I wouldn't quite say tack sharp, but excellent for a zoom lens.
The corner at 5.6 (shooting the same sign, moving the focus point):
DSC00125.jpg by
Adam Brown, on Flickr
It's a little soft, but not the worst I've ever seen. I suppose I should have stopped down a bit more and tested the corner again .
So hopefully this weekend, I get to do some real testing.