I found myself wishing for faster focus on the DA*300 today. Close in shots of small birds flitting about, where by the time focus arrived they had moved on. Managed to get a few shots, but nothing interesting.
There is a spot on the lake where grebes go back and forth just off shore diving for fish. I've found it a good testing ground for lenses and focus. Today the water was choppy, cloudy sky, so everything was grey. The K-3 managed to focus reliably in those challenging circumstances where the subject is slightly less defined than the sharp wave edges. Many times the body would hesitate, not take the shot until I refocused. I managed to get some nice shots. The K-5 had real trouble here, and I never managed to get the red eyes looking so good unless it was very bright sunshine. I was hoping to get a shot of the bird coming up with a fish, but no luck. Out of the 100 or so shots I took there were half a dozen out of focus. Movement blur was the issue.
There was a chance to test the tracking ability with fly by shots. A female mallard was flying parallel to the shore. By the time I got the lens pointed it was almost straight out. I managed to acquire focus and followed it across my field of view. Shutter speed wasn't high enough, but I managed to get this shot. I definitely could not have gotten this with my K-5.
I'm finding that at low iso's the K-3 is very nice. Colors are vibrant, and the added resolution is apparent. As iso's go up, the image quality deteriorates at about the same rate as the K-5. I have the upper limit for iso set at 3200, and try to keep it below 2000 if possible, as I did with the K-5. I have taken shots at 3200 that needed very little noise reduction, but they were in bright light with fast shutter speed.
Last edited by derekkite; 11-16-2013 at 03:45 PM.