Originally posted by Just1MoreDave The body is the same - same size, displays, viewfinder, shutter, etc. So handling is the same, the optional grip is the same, etc.
The AF is different, supposed to be better, but as with all AF systems, it is not perfect and instant. They've added some features, like more user modes. I'm not sure if the GPS accessory works with the K-7. Video might be better in some way.
The main improvement is the sensor. Not the 2 megapixels more, the high ISO ability and the increased dynamic range. It's a really good sensor. The K-7's sensor is not bad but pales in comparison. At ISO 800 or more, K-5 photos will start to look better, and the gap widens as ISO increases.
Absolutely. My wife and i were walking around the other evening at sunset with our kids. She had our K5 and I had a K7. She shot until we left the park, whereas, I was done when the light levels dropped. I just couldn't push up my iso enough to compensate without my photos looking pretty sad.
The K7 is a really nice camera, it just doesn't have the dynamic range and ability to do high iso that the K5 has. You'd be surprised how often that is helpful in every day shooting.