LCD and Viewfinder
Olympus E-3 has a Fully Articulated 2.5" LCD screen with a resolution of 230k dots. At only 2.5", the screen is on the smaller side and 230kdot resolution is lower than most of the recent models in this class.
For those of you who loves shooting self portraits or group photos, Olympus E-3 will make your life easier with its Selfie friendly
E-3 has a built-in Optical (pentaprism) viewfinder. The viewfinder has a coverage of 100% and a magnification ratio of 0.58x. 100% coverage ensures that what you see in the viewfinder while shooting matches exactly what you will get later in your image, helping accurate framing your shots and minimizes the need for cropping images later.
Max Shutter speed
Olympus E-3 can shoot continuously at max speed of 5 fps
and has max shutter speed of 1/8000 sec
E-3 has a built-in flash, and it also has a flash shoe to mount your external flashes too.
Olympus E-3 features a Phase Detection autofocusing system. The AF system has 11 points to choose from.
Unfortunately Olympus E-3 doesn't have Video recording ability.
Connectivity and Storage
Olympus E-3 has a USB 2.0 (480 Mbit/sec) port to connect your camera to other devices.
Olympus E-3 Features Compared to Main Competitors