Sony A7S Mark III Body

Brand: SONY

Product Code: E0GEYRAAYG

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Effective Pixels 12 megapixels
Sensor Size Full frame (35.6 x 23.8 mm)
Max resolution 4240 x 2832
Sensor Type BSI-CMOS
Processor Bionz XR
ISO Auto, 80-102400 (expands to 40-409600)
White balance presets 7
Custom white balance Yes
Image stabilization Sensor-shift
Image stabilization notes 5-axis
Uncompressed format RAW
JPEG quality levels Extra fine, fine, normal
Lens and Focus  
Number of focus points 759
Manual focus Yes
Lens mount Sony E
LCD type Fully articulated
Screen size 3″
Screen dots 1440000
Touch screen Yes
Screen type TFT LCD
Live view Yes
Viewfinder type Electronic
Viewfinder coverage 100%
Viewfinder magnification 0.91×
Viewfinder resolution 9440000
Shooting Control  
Minimum shutter speed 30 sec
Maximum shutter speed 1/8000 sec
Built-in flash No
External flash Yes (Multi-interface shoe)
Continuous Shooting 10.0 fps
Exposure compensation ±5 (at 1/3 EV, 1/2 EV steps)
AE Bracketing ±5 (3, 5 frames at 1/3 EV, 1/2 EV, 2/3 EV, 1 EV steps)
WB Bracketing Yes
Video Format MPEG-4, XAVC S, XAVC HS, XAVC S-I, H.264, H.265
Microphone Stereo
Speaker Mono
Storage and Connectivity  
Storage types Dual SD/CFexpress Type A slots
USB USB 3.2 Gen 1 (5 GBit/sec)
USB charging Yes (USB PD supported)
HDMI Yes (Standard)
Microphone port Yes
Headphone port Yes
Wireless Built-In
Remote control Yes (wireless or smartphone)
Body and Battery  
Battery description NP-FZ100 lithium-ion battery charger
Battery Life (CIPA) 600
Weight (inc. batteries) 699 g (1.54 lb / 24.66 oz)
Dimensions 129 x 97 x 81 mm (5.08 x 3.82 x 3.19″)


The Sony a7S III is a video-focused full-frame mirrorless camera with a 12 Megapixel BSI CMOS sensor. It uses an all-new dual-chip Bionz XR processor, which offers considerably more horsepower, allowing for faster autofocus/auto-exposure as well as high bitrate video. The camera offers an ISO range of 80-102400, which expands to 40-409600. Sony claims that it captures 15 stops of dynamic range. The autofocus system has 759 on-sensor phase-detect points and supports eye and animal AF.

The camera has in-body image stabilization that can reduce shake by up to 5.5 stops. It has the highest resolution electronic viewfinder on the market (as of July 2020), with 9.44 million dots. There's also a 3.2" fully articulating LCD. The camera has two memory card slots, both of which can accept SD (UHS-II) or CFexpress Type A cards. It has both USB 3.1/3.2 Type 1 and micro USB ports, and can be powered using an external power bank.

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