The Sony α7 III (model ILCE-7M3) is a full-frame mirrorless interchangeable-lens camera manufactured by Sony.[1][2][3] It was announced[4] on 26 February 2018 as the successor to the Sony α7 II and available April 10, 2018. Described by Sony as "the basic model," the camera shares many features with the high-end Sony α7R III and α9 models.[5] It was succeeded by the Sony α7 IV, announced on October 21, 2021.
Features
The camera features several advancements over the previous model, the α7 II, incorporating some features from the higher-end α7R III and α9.[6]
Continuous eye autofocus mode called Eye AF with High Tracking ability
5-axis optical in-body image stabilization with a 5.0 step shutter speed advantage
10 fps continuous shooting (mechanical or silent)
Multiple 4K (3840x2160) video modes: 4K/24p oversampled from 6K sensor output, or 4K/30p oversampled from 5K cropped portion of sensor
15 stops of dynamic range
Full HD (1920x1080) video at 120 fps
Larger 'Z'-series (NP-FZ100) battery from α9 and α7R III that is rated at 710 shots (CIPA measurement) - offering the world's longest battery life of any mirrorless camera
Upgraded operability and functionality including addition of joystick for adjusting focus points, Dual SD Card Slots, SuperSpeed USB (USB 3.1 Gen 1) USB Type-C Terminal
ISO range from 100 to 51,200 (expandable to 204,800)
Weather sealed, magnesium alloy body
No built-in flash.
2.36 million dot OLED viewfinder with 0.78x magnification
Supports 4 different video file formats (XAVC S 4K, XAVC S HD, or AVCHD)
Improvements over the Sony α7 II
The Sony α7 III improved in a number of aspects compared to its predecessor, the α7 II, which was released four years earlier in November, 2014.
4K video modes and 120fps full HD video instead of the A7 II's limited full HD (1920x1080) movie modes.
Continuous burst increased to 10fps instead of 5fps.
Maximum ISO sensitivity of 51,200 instead of 25,600.
Upgraded sensor with 693 Phase Detection auto-focus points vs. 117 Phase Detection AF points.
Newer Z battery system (NP-FZ100) rated to 710 shots instead of 340.
Battery capacity 7.2V / 16.4Wh (2280mAh).
Dual SD card slots instead of a single card slot.
Bluetooth for increased phone communication options.
Introduction of a touch screen but lower resolution 922,000 dot display instead of 1.23 million.
Newer ergonomic layout similar to the earlier A9 and A7R III including the addition of a joystick.
The camera's rounded feature set and launch price were highly praised. Reviewers noted it as a flexible and competitive tool for all types of photography.[6][7][8][9][10]
Issues
The Sony A7 III does not have a vertical AA filter, it only has a horizontal one. It improves sharpness, but also creates a visible amount of moiré on clothes and hair.[11]
^Hall 2018-03-27T16:05:32.85ZCameras, Phil (27 March 2018). "Sony Alpha A7 III review". TechRadar. Retrieved 31 May 2019.{{cite web}}: CS1 maint: numeric names: authors list (link)
^Mathies, Daven (15 November 2018). "Sony A7 III review". www.digitaltrends.com. Archived from the original on 13 February 2020. Retrieved 9 September 2020.
