Compare Sony a7R III
Variants
a7R IIIa
Connectivity
Ports
HDMI + Headphone + Microphone + Remote Control + USB 3.2 Gen 1
Wireless Connectivity
802.11b/g/n + NFC + Bluetooth
Construction
Form Factor
Mirrorless camera
Image Size
Full frame (35.9 x 24 mm)
Lens Mount
Sony E-mount
Microphone
Stereo
Sensor | Resolution
42 MP (7952 x 5304)
Sensor | Type
BSI-CMOS
Speakers
Mono
Dimensions
Size | Depth
74 mm / 2.91 in
Size | Height
96 mm / 3.78 in
Size | Width
127 mm / 5.00 in
Weight
657 g / 23.22 oz
Display
Display Diagonal
3 inch
Display Type
Tilting TFT LCD
Resolution
1,440,000 dots
Resolution
2,360,000 dots
Viewfinder | Coverage
100%
Viewfinder | Magnification
0.78x
Viewfinder | Resolution
3,686,400 dots
Viewfinder | Type
Electronic
Function
AE Bracketing
±5 (3, 5 frames at 1/3 EV, 1/2 EV, 2/3 EV, 1 EV, 2 EV steps)
Autofocus
399 focus points
Crop Factor
1.0
Exposure Compensation
±5 (at 1/3 EV, 1/2 EV steps)
Exposure Mode
Auto / Aperture Priority / Shutter Priority / Manual
GPS
No
Image Stabilization
5-axis (5.5 stops)
Intervalometer
No
ISO Range
100 ~ 32000 (expands to 50 ~ 102400)
Processor
Bionz X
Touch Screen
Yes
Video Codecs
MPEG-4, AVCHD, XAVC S
Weather Resistance
Yes
Performance
Battery Life
650 shots
Max Burst Rate
10.0 fps
Storage
Two SD/SDHC/SDXC slots (UHS-II support on one)
Production
Battery
NP-FZ100 lithium-ion battery and charger
Debut
2017-10-25
Model Name
ILCE-7RM3
Reviews
Neofiliac score
74%
Pros
- Long battery life
- 5.5 stops of IBIS
- Good 10.0 fps burst rate
- Rather compact
- High 42 MP resolution
- Weather-sealed
- Supports both WiFi and Bluetooth
Cons
- Viewfinder with low 0.78x magnification
- Lacks intervalometer for timelapse
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