Sony A7S III
- Type
- Mirrorless
- Mount
- Sony E-Mount
- Sensor format
- Full frame
- Resolution
- 12.1 MP
- Released
- September 2020
- Launch price
- $3,499.99
Predecessor: Sony A7S II
Specifications
Sensor and image
- Resolution
- 12.1 MP
- Largest image size
- 4,240 × 2,832 px
- Sensor format
- Full frame
- Sensor size
- 35.6 × 23.8 mm
- Sensor type
- Exmor R BSI CMOS
- ISO range
- 80 to 102,400
- Extended ISO range
- 40 to 409,600
- In-body stabilization
- Yes, up to 5.5 stops (CIPA)
Autofocus
- AF system
- Fast Hybrid AF (phase-detection AF / contrast-detection AF)
- AF points
- 759
- Subject detection
- People, Animals
- AF low-light limit
- -6 EV
Shutter and burst
- Mechanical shutter
- Yes
- Fastest shutter speed
- 1/8000 s
- Slowest shutter speed
- 30 s
- Flash sync speed
- 1/250 s
- Burst rate
- 10 fps
Video
- Video modes
Resolution Max. frame rate Crop Note 4K UHD (3,840 × 2,160) 60 – XAVC S-I 4:2:2 10-bit 4K UHD (3,840 × 2,160) 120 1.1× XAVC S/XAVC HS, 10-bit 4:2:2 FHD (1,920 × 1,080) 120 – XAVC S HD - Internal bit depth
- 10-bit
- Log profile
- Yes
Viewfinder and display
- Viewfinder
- Electronic (EVF)
- Viewfinder resolution
- 9.44 million dots
- Viewfinder magnification
- 0.9x
- Viewfinder coverage
- 100%
- Screen
- 3 in, 1.44 million dots
- Screen type
- Vari-angle
- Touchscreen
- Yes
Body and battery
- Dimensions (W × H × D)
- 128.9 × 96.9 × 80.8 mm
- Weight with battery and card
- 699 g
- Battery
- NP-FZ100
- Shots per charge (screen)
- 600 shots
- Shots per charge (viewfinder)
- 510 shots
Storage and connections
- Card slots
- CFexpress Type A / SD UHS-II, CFexpress Type A / SD UHS-II
- Wi-Fi
- IEEE 802.11a/b/g/n/ac (2.4 GHz / 5 GHz)
- Bluetooth
- Bluetooth 5.0
- USB
- USB Type-C (SuperSpeed USB 5 Gbps)
- Microphone input
- 3.5 mm stereo minijack
- Headphone output
- 3.5 mm stereo minijack
Market and price
- Announced
- July 28, 2020
- Released
- September 2020
- Launch price
- $3,499.99 (US), CA$4,799.99 (CA)
- Other names
- ILCE-7SM3, Alpha 7S III
Features stated by the manufacturer
- 16-bit RAW video output via HDMI
- Anti-flicker shooting
- Creative look
- Dual card slot relay recording
- Electronic front curtain shutter
- Heat dissipating mechanism
- Hlg
- Proxy recording
- S-log3
- Silent shooting
- Slow & quick motion
Manufacturer data: sony.com, alphauniverse.com
Last checked: October 25, 2026 (against the manufacturer data) · How we check
Size and weight
- Width × height × depth
- 128.9 × 96.9 × 80.8 mm
- Weight with battery and card
- 699 g
Manufacturer data: sony.com, alphauniverse.com
The front view is schematic, only width and height are to scale.
Check the shutter count
The shutter count of the Sony A7S III can be read from a photo (checked with ARW, JPEG files). Open the tool