LCD and Viewfinder
Sony A7 III has a Tilting 3 LCD screen with a resolution of 922k 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.
A7 III has a built-in Electronic viewfinder. The viewfinder has a resolution of 2,359kdots 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
Sony A7 III can shoot continuously at max speed of 10.0 fps and has max shutter speed of 1/8000 sec.
Flash
Unfortunately A7 III doesn't have a built-in flash but it has a flash shoe for mounting external flashes.
Focusing
Sony A7 III features both Contrast Detection and Phase Detection autofocus (AF) systems which ensures speed and accuracy of focusing in most situations. The AF system has 693 points to choose from.
Sony A7 III also features
Face detection AF where it intelligently detects the faces in the frame and locks the focus automatically. In addition to the face detect AF, A7 III has a more sophisticated feature called
Eye Tracking AF which detects and locks focus to the selected eye of the person in the frame accurately and tracks as the subject moves. Eye tracking AF of Sony A7 III is a perfect feature for shooting portraits and is especially useful when fast lenses are used and the depth of field is very narrow.
Video Features
With Sony A7 III, you can record your videos at a highest resolution of 3840 x 2160 at 30p,24p fps and save in MPEG-4, AVCHD, XAVC S and H.264 formats. This means that Sony A7 III provides 4K (Ultra-HD) video, highest resolution that is available in the market today. When viewed on a 4K screen, you will be amazed by the level of details and the crispness.It is also a big step up from its predecessor A7 II which has a max video resolution of 1920 x 1080 only. If you are thinking of upgrading your A7 II and shoot a lot of video, this is a big factor to consider in favor of A7 III.
A7 III also a high speed mode where it captures videos at 120 fps for ultra slow motion videos. A7 III has a built-in Yes microphone and a Mono speaker. Sony A7 III also has a port for an external microphone and a headphone port for connecting external headphones which make Sony A7 III a very suitable camera high quality videography.
Connectivity and Storage
Sony A7 III features built-in wireless (Wi-Fi) connectivity ( with NFC and wireless control via PlayMemories Mobile app) which lets you transfer your photos directly to compatible devices without any physical connection. With its NFC feature, A7 III can communicate with devices such as smartphones which are also equipped with this technology by simply touching each other.Sony A7 III's Bluetooth connectivity feature comes handy for connecting other devices that supports it. One other feature that we like is the ability to use our smartphone as a remote to control our A7 III. You can change camera settings, release shutter, view LCD screen and tranfer files using remote control app.
You can connect A7 III to compatible devices via its HDMI port or USB 3.1 Gen 1 (5 GBit/sec) port.
Battery Sony A7 III is powered by battery which provides a shooting life of 610 according to CIPA standards.
Considering that the average battery life of Mirrorless type cameras is 359 shots, Sony A7 III has a good battery life for its class.
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 Sony A7 III vs Olympus E-M1X or take a look at Longest Battery Life Mirrorless cameras list.
Sony A7 III Features Compared to Main Competitors