Originally posted by raymeedc I know the K7 is smaller than the K20D, but is it as small as an *ist DS?
The difference between the K-7 and *istDS is that it's noticeably wider and substantially heavier. Also, the grip is far larger and deeper. Additionally, the mount is not as recessed so my DA40 sticks out more. They're the same depth on the non-grip side, and height. Because of the lugs, I bought a different hand grip that doesn't attach to the bottom, only on one lug, so I gained a big reduction in height. The viewfinder and prism are the same size as the *istDS. Bottom line, the width difference is most noticeable, and in my camera bag, I need more room because of the grip and mount. I was hoping it would, but it won't fit in my *istDS bag, but swims in my K20D bag. I would call it closer in size to the *istDS than the K20D.
I hated the size of the K20D, but the K-7 size is more than acceptable. It's not a *istDS, but has the same type of design aesthetic. Even though it's bigger, it just fits into your hand like a glove, so it's more comfortable. After the K20D it's a godsend.
Obviously, I can't take a size comparison shot because I only own two cameras. And, my *istDS is packed away for good so all this is from memory because this comparison the first thing I did.