LCD and Viewfinder
Olympus E-P3 has a Fixed Type 3" LCD screen with a resolution of 614k dots. Both the screen size and the screen resolution is up to the standards of this class.
LCD is Touch screen
type, so you can change the settings and set the focus point with your fingertips.
E-P3 doesn't have a built-in viewfinder but an optional external viewfinder is available. Lack of a viewfinder can be problematic especially under strong light where visibility of LCD screens goes down dramatically. If you need a Mirrorless camera with a built-in viewfinder in a similar price range, consider (Compare) or (Compare). If the price is not an issue, take a look at our Top Rated Cameras with Viewfinders.
Max Shutter speed
Olympus E-P3 can shoot continuously at max speed of 3 fps
and has max shutter speed of 1/4000 sec
E-P3 has a built-in flash, and it also has a flash shoe to mount your external flashes too.
Olympus E-P3 features a Contrast Detection autofocusing system. The AF system has 35 points to choose from. Olympus E-P3 also features Face detection AF
where it intelligently detects the faces in the frame and locks the focus automatically.
With Olympus E-P3, you can record your videos at a highest resolution of 1920 x 1080 at 60 fps and save in AVCHD and Motion JPEG formats. Full HD resolution of Olympus E-P3 will be adequate in most of the situations. But if you are after the highest resolution videos available, see our list of Top Cameras with 4K (Ultra-HD) Video
E-P3 has a built-in Stereo microphone and a None speaker.
Olympus E-P3 doesn't have any connections for external microphones and headphones. If you need a Mirrorless camera with external microphone connectivity, consider or in a similar price range.
Connectivity and Storage
You can connect E-P3 to compatible devices via its HDMI port or USB 2.0 (480 Mbit/sec) port.
Olympus E-P3 is powered by battery which provides a shooting life of 330 according to CIPA standards.
Considering that the average battery life of Mirrorless type cameras is 365 shots, its battery life is about average in its class but it would still be wise to invest in some spare batteries for long photo trips.
Battery Life Comparison in Entry-Level Mirrorless Cameras
Samsung NX mini with its 650shots is the model with longest battery life among Entry-Level Mirrorless cameras. Check the comparison of Olympus E-P3 vs Samsung NX mini or take a look at Longest Battery Life Mirrorless cameras list.
Olympus E-P3 Features Compared to Main Competitors