Get Detailed iPhoto information on your photos

For our summer vacation my parents bought a new camera and we wanted to test it against 2 other cameras. So we headed to the beach with the 3 cameras and took the same shoots. Long story short I came back to the beach house and uploaded all the shots to iPhoto. I then wanted to see all the information about each shot so I knew which camera too the best shoots. I kept hitting "Command+I" but all I got was a gray window with a map. No camera data. Then I found out to get the detailed information,or  Extended Photo Info, you have to use the option key modifier. So to get to the detailed [...]