Sony A7R III (A7R IIIA)
- Type
- Mirrorless
- Mount
- Sony E-Mount
- Sensor format
- Full frame
- Resolution
- 42.4 MP
- Announced
- 2017
Specifications
Sensor and image
- Resolution
- 42.4 MP
- Largest image size
- 7,952 × 5,304 px
- Sensor format
- Full frame
- Sensor size
- 35.9 × 24 mm
- Sensor type
- Exmor R CMOS
- ISO range
- 100 to 32,000
- Extended ISO range
- 50 to 102,400
- In-body stabilization
- Yes, up to 5.5 stops (CIPA)
Autofocus
- AF system
- Fast Hybrid AF (phase-detection AF/contrast-detection AF)
- AF points
- 425
- Subject detection
- People
- AF low-light limit
- -3 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 (3,840 × 2,160) 29.97 – Full HD (1,920 × 1,080) 119.88 – - Log profile
- Yes
Viewfinder and display
- Viewfinder
- Electronic (EVF)
- Viewfinder resolution
- 3.69 million dots
- Viewfinder magnification
- 0.78x
- Viewfinder coverage
- 100%
- Screen
- 3 in, 1.44 million dots
- Screen type
- Tilting
- Touchscreen
- Yes
Body and battery
- Dimensions (W × H × D)
- 126.9 × 95.6 × 73.7 mm
- Weight with battery and card
- 657 g
- Battery
- NP-FZ100
- Shots per charge (screen)
- 650 shots
- Shots per charge (viewfinder)
- 530 shots
Storage and connections
- Card slots
- SD (UHS-I/II), Memory Stick Duo / SD (UHS-I)
- Wi-Fi
- IEEE 802.11b/g/n (2.4 GHz band)
- Bluetooth
- Bluetooth Standard Ver. 4.1 (2.4 GHz band)
- USB
- USB Type-C (SuperSpeed USB (USB 3.1 Gen 1) compatible)
- HDMI
- HDMI micro connector (Type-D)
- Headphone output
- 3.5 mm Stereo minijack
Market and price
- Other names
- ILCE-7RM3, ILCE-7RM3A
Features stated by the manufacturer
- Electronic front curtain shutter
- Hlg
- NFC
- Picture profile
- Pixel shift multi shooting
- S-log2
- S-log3
- Silent shooting
- Sync terminal
- Vertical grip connector
Manufacturer data: sony.com
Last checked: October 25, 2026 (against the manufacturer data) · How we check
Size and weight
- Width × height × depth
- 126.9 × 95.6 × 73.7 mm
- Weight with battery and card
- 657 g
Manufacturer data: sony.com
The front view is schematic, only width and height are to scale.
Check the shutter count
The shutter count of the Sony A7R III (A7R IIIA) can be read from a photo (checked with ARW, JPEG files). Open the tool