Came across this photo of a film EOS 10S today, and thought I'd put it up along with a 7D for your viewing pleasure. It make me giggle to see how much more interface we now require to do the same thing we did 20 years ago.
The photos were taken from a google search on images; they are not mine and am just using them here for comparison
They had plenty of space for features back then, now they are having buttons share functions to save space. See that big blank space on the back of the 10S for the LCD...
The 10s was an interesting camera - with the bar code reader, the large AF-assist beam thingy nestled near the grip, the completely "recessed" dial with associate lock in the middle.
It sorta hit a "sweet spot" in that is was a bit robust, had advanced features, but wasn't so "pro" as to be expensive or heavy.
It was on it's way out, when I started working for a large nationwide camera retailer whom I will not mention...but I still sold a few of 'em. The A2/A2E and Elan, however...ate all the 10s sales that "coulda been".
Looking at the eyecup, I think it's interchangeable with the EOS-1/1n?