LCD and Viewfinder
Olympus E-510 has a Fixed Type 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.
E-510 has a built-in Optical (pentamirror) viewfinder. The viewfinder has a coverage of 95% and a magnification ratio of 0.46x. 95% coverage means that what you see in your viewfinder while shooting will slightly be different from the actual image.
Max Shutter speed
Olympus E-510 can shoot continuously at max speed of 3 fps
and has max shutter speed of 1/4000 sec
E-510 has a built-in flash, and it also has a flash shoe to mount your external flashes too.
Olympus E-510 features a Phase Detection autofocusing system. The AF system has 3 points to choose from.
Unfortunately Olympus E-510 doesn't have Video recording ability.
Connectivity and Storage
Olympus E-510 has a USB 2.0 (480 Mbit/sec) port to connect your camera to other devices.
Olympus E-510 Features Compared to Main Competitors