LCD and Viewfinder
Pentax K20D has a Fixed Type 2.7″ LCD screen with a resolution of 230k dots. At only 2.7″, the screen is on the smaller side and 230kdot resolution is lower than most of the recent models in this class.
K20D has a built-in Optical (pentaprism) viewfinder. The viewfinder has a coverage of 95% and a magnification ratio of 0.64x. 95% coverage means that what you see in your viewfinder while shooting will slightly be different from the actual image.
Max Shutter speed
Pentax K20D can shoot continuously at max speed of 3 fps and has max shutter speed of 1/4000 sec.
K20D has a built-in flash, and it also has a flash shoe to mount your external flashes too.
Pentax K20D features a Phase Detection autofocusing system. The AF system has 11 points to choose from.
Unfortunately Pentax K20D doesn't have Video recording ability.
Connectivity and Storage
Pentax K20D has a USB 2.0 (480 Mbit/sec) port to connect your camera to other devices.
Pentax K20D Features Compared to Main Competitors
Current Lowest price for Pentax K20D is $699.95