LCD and Viewfinder
Olympus E-M1 has a Tilting 3″ LCD screen with a resolution of 1,037k 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-M1 has a built-in Electronic viewfinder. The viewfinder has a resolution of 2,360kdots and coverage of 100%. 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-M1 can shoot continuously at max speed of 10 fps and has max shutter speed of 1/8000 sec.
Flash
Unfortunately E-M1 doesn't have a built-in flash but it has a flash shoe for mounting external flashes.
Focusing
Olympus E-M1 features both Contrast Detection and Phase Detection autofocus (AF) systems which ensures speed and accuracy of focusing in most situations. The AF system has 81 points to choose from.
Olympus E-M1 also features
Face detection AF where it intelligently detects the faces in the frame and locks the focus automatically.
Focus Stacking
Macro shooters will love Olympus E-M1's Focus Stacking feature. In this mode, E-M1 automatically composites multiple shots taken at different focal positions using focus bracketing to create a single image with maximum depth of field.
Video Features
With Olympus E-M1, you can record your videos at a highest resolution of 1920 x 1080 at 30 fps and save in H.264 and Motion JPEG formats. Full HD resolution of Olympus E-M1 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-M1 has a built-in Stereo microphone and a Mono speaker. Olympus E-M1 also has a port for an external microphone so you can record high quality sound with the help of an external microphone.
Connectivity and Storage
Olympus E-M1 features built-in wireless (Wi-Fi) connectivity ( 802.11b/g/n with smartphone connectivity) which lets you transfer your photos directly to compatible devices without any physical connection.
You can connect E-M1 to compatible devices via its HDMI port or USB 2.0 (480 Mbit/sec) port.
Battery Olympus E-M1 is powered by battery which provides a shooting life of 350 according to CIPA standards.
Considering that the average battery life of Mirrorless type cameras is 359 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 Pro Mirrorless Cameras
Olympus E-M1X with its 870shots is the model with longest battery life among Pro Mirrorless cameras. Check the comparison of Olympus E-M1 vs Olympus E-M1X or take a look at Longest Battery Life Mirrorless cameras list.
Olympus E-M1 Features Compared to Main Competitors