The body looks almost the same but there are a few differences and let me explain them to you.
First there is a PC sync port that has an overload circuit incase you have a surge. Second there is a larger lever to access the weather sealed card door. The most obvious standout is the larger and much higher resolution screen… 2.7” 630,000 pixels (including sub pixels)! Pentax calls this 230,000 dots (each dot has Red Green and Blue pixels). Besides that the body is exactly the same and that is great because your BG2 grip will work just fine from your K10D.
Things that didn’t change… I’m going to get this out of the way really early and tell everyone that the AF sensor, AF drive motor, mirror assembly and associated parts are all the same besides a dampened mirror bay. This is really going to make a lot of users unhappy because a lot of people have frustrations with the AF system of the Pentax K10D including myself. I was explained the reason and here it is so it’s out there:
Pentax engineers had two choices when updating the K10D in order to stay profitable. One was to advance the AF system and mechanisms to bring it up and beyond the current cameras in the class. Second was to advance the imaging and allow it to be the most advanced photographic tool available. Pentax went with upgrading the imaging guts because having a better AF system and the older imaging end wouldn’t sell well enough. Every camera on the block has a newer AF system, but the imaging system isn’t anything that stellar till you jump to the full frame models. In my honest opinion I would also go with imaging vs. AF system any day, but that’s because in my mind the quality of the image matters more than how well the camera can focus/track/predict. I feel that this is the only area in which this camera fails to be the most astounding camera of 2008. Many camera reviewers