LCD and Viewfinder
Sony A390 has a Tilting 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.
A390 has a built-in Optical (pentamirror) viewfinder. The viewfinder has a coverage of 95% and a magnification ratio of 0.49x. 95% coverage means that what you see in your viewfinder while shooting will slightly be different from the actual image.
Max Shutter speed
Sony A390 can shoot continuously at max speed of 3 fps and has max shutter speed of 1/4000 sec.
A390 has a built-in flash, and it also has a flash shoe to mount your external flashes too.
Sony A390 features a Phase Detection autofocusing system. The AF system has 9 points to choose from.
Sony A390 also features Face detection AF
where it intelligently detects the faces in the frame and locks the focus automatically.
Unfortunately Sony A390 doesn't have Video recording ability.
Connectivity and Storage
You can connect A390 to compatible devices via its HDMI port or USB 2.0 (480 Mbit/sec) port.
Battery Sony A390 is powered by battery which provides a shooting life of 230 according to CIPA standards.
Considering that the average battery life of DSLR type cameras is 883 shots, Sony A390 has a short battery life for its class so we strongly recommend A390 owners to buy some extra batteries.
Battery Life Comparison in Entry-Level DSLR Cameras
Pentax K-x with its 1900shots is the model with longest battery life among Entry-Level DSLR cameras. Check the comparison of Sony A390 vs Pentax K-x or take a look at Longest Battery Life DSLR cameras list.
Sony A390 Features Compared to Main Competitors