Sony Alpha A7 III Review

Overall Score

92

Main Features

  • 24 MP Full frame BSI-CMOS Sensor
  • 100 - 51200 ISO
  • 5-axis Sensor-shift Image Stabilization
  • 3" Tilting Screen
  • Electronic Viewfinder
  • 2359k dot Electronic viewfinder
  • 10 fps continuous shooting
  • 4K 3840 x 2160 video resolution
  • Built-In Wireless
  • 127 x 96 x 74 mm, 650g.
  • Price Category:
  • Replaced: Alpha A7 II

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Sony Alpha A7 III Overview


First introduced in February, 2018, Sony Alpha A7 III is a 24 MP Mirrorless with a Full frame (35.8 x 23.8 mm) sized BSI-CMOS sensor. Sony replaced the older Sony A7 II with Alpha A7 III. Follow the link to read our detailed comparison of these models:

Compare Sony A7 III with Sony A7 II


Sony A7 III comes with a Full Frame sensor - 35.6 x 23.8 mm BSI-CMOS sensor, which has a diagonal of 42.82 mm

- Full Frame, approximate the actual size shown above

Sensor resolution of Sony A7 III ~ 6000 x 4000 pixels.

Sony A7 III has Crop Factor: 1.01

The sensor has a surface area of 847.3 mm².

There are approximate 24,000,000 photosites (pixels) on this area.

Sony A7 III Series History
Model Year $ Sensor ISO Weight Dimensions
Sony Alpha A7R IV Sony A7R IV 2019 61MP 100 - 32000 665g 129 x 96 x 78mm
Sony Alpha A7 III Sony A7 III 2018 24MP 100 - 51200 650g 127 x 96 x 74mm
Sony Alpha A7R III Sony A7R III 2017 42MP 100 - 32000 657g 127 x 96 x 74mm
Sony Alpha A7S II Sony A7S II 2015 12MP 100 - 102400 627g 127 x 96 x 60mm
Sony Alpha A7R II Sony A7R II 2015 42MP 100 - 25600 625g 127 x 96 x 60mm

Proc and Cons of Sony A7 III


Get to know this camera closer. Let's look at the features and characteristics of this model. Compare Sony Alpha A7 III with competitors in pro mirrorless cameras.

Pros
Built-in Wireless
NFC Connectivity
Tilting Screen
3840 x 2160 (4K) Max Video Resolution
AF Face Detection
24MP High Resolution Sensor
922k dots Screen Resolution
1/8000s Max Shutter Speed
Manual Focus
UHS-II Memory Card Support
Headphone Port
Timelapse Recording
693 Focus Points
±5 AE Bracketing Range
Focus Bracketing
Bluetooth Connectivity
5-axis Sensor-shift Image Stabilization
Touch Screen
External Flash
RAW Support
51200 Max Native ISO
10.0 fps Continuous Shooting
610 shots Long Battery Life
Manual Exposure Mode
Microphone Port
Environmental Sealing
2359k dot Viewfinder Resolution
2 Storage Slots
Flash Sync Port
Remote Control with a Smartphone
Cons
No Articulating Screen
Weight: 650g
Type Scores

Sony Alpha A7 III has an Overall Score of 92/100 and ranked #9 out of 195 in Mirrorless cameras, and ranked #9 out of 1201 in all cameras.

Sony A7 III Scores
Imaging score
81
Features score
93
Value for money score
100
Portability score
77
Overall score
92
Average Scores in Pro Mirrorless
Imaging Score
69
Features Score
74
Value For Money Score
80
Portability Score
74
Overall score
76

Physical Dimensions of Sony A7 III


Sony Alpha A7 III weighs 650g and has external dimensions of 127 x 96 x 74mm (5.0 x 3.78 x 2.91"). Considering that the average weight of Pro Mirrorless cameras is 675g, Sony A7 III is 25 grams less than the average weight of cameras in this category. Sony A7 III is less by 10mm more than the average length in Pro Mirrorless.

Weight Comparison
Pro Mirrorless Cameras


Sony A7 III
650g
Average weight
675g
Min weight
465g
Max weight
1320g

Thickness Comparison
Pro Mirrorless Cameras


Sony A7 III
74mm
Average Thickness
64mm
Min Thickness
37mm
Max Thickness
97mm

Here is the front and top view image of Sony Alpha A7 III with the dimensions:

Sony Alpha A7 III

Size Compared to Major Competitors


Model Weight Alpha A7 III Dimensions Alpha A7 III
Sony Alpha A7 II Sony A7 II 599 g 650 g 127 x 96 x 60 mm 127 x 96 x 74 mm
Sony Alpha A7R III Sony A7R III 657 g 650 g 127 x 96 x 74 mm 127 x 96 x 74 mm
Sony Alpha A7R II Sony A7R II 625 g 650 g 127 x 96 x 60 mm 127 x 96 x 74 mm
Canon EOS 5D Mark IV Canon 5D MIV 890 g 650 g 151 x 116 x 76 mm 127 x 96 x 74 mm
Nikon D750 Nikon D750 840 g 650 g 141 x 113 x 78 mm 127 x 96 x 74 mm
Canon EOS 6D Mark II Canon 6D MII 765 g 650 g 144 x 111 x 75 mm 127 x 96 x 74 mm
Canon EOS R Canon R 660 g 650 g 136 x 98 x 84 mm 127 x 96 x 74 mm
Sony Alpha A7S II Sony A7S II 627 g 650 g 127 x 96 x 60 mm 127 x 96 x 74 mm

Specifications of Sony Alpha A7 III


General
Brand Sony
Model Alpha A7 III
Announced February, 2018
Body Type SLR-style mirrorless
Lens
Lens Mount Sony E
Manual Focus
Focal Lens Multiplier 1
Number of Lenses 116
Macro Focus Range n/a
Screen
Screen Size 3"
Screen Type Tilting
Screen Resolution 922k pixels
Touch Screen
Live View
Viewfinder
Viewfinder Electronic
Viewfinder Resolution 2359
Viewfinder Coverage 100%
Viewfinder Magnification 0.78
Autofocus
AF Touch
AF Continuous
AF Single
AF Tracking
AF Selective
AF Center
AF Multi Area
AF Live View
AF Face Detection
AF Contrast Detection
AF Phase Detection
Number of Focus Points 693
Number of Cross Focus Points 0
Photography Features
RAW Support
Min Shutter Speed 1/30 sec
Max Shutter Speed 1/8000 sec
Continuous Shooting 10.0 fps
Shutter Priority
Aperture Priority
Manual Exposure Mode
Exposure Compensation
Custom White Balance
Image Stabilization
Built-in Flash
Flash Range no built-in flash
Flash Modes no built-in flash
External Flash
AE Bracketing
AE Bracketing Range ±5 EV
WB Bracketing
Sensor
Sensor Size Full frame
Sensor Type BSI-CMOS
Sensor Dimensions 35.6 x 23.8 mm
Sensor Area 847.3 mm²
Sensor Resolution 24 MP
Max Image Resolution 6000 x 4000
Max Native ISO 51200
Min Native ISO 100
Max Boosted ISO 204800
Min Boosted ISO 50
Video Features
4K
Max Video Resolution 3840 x 2160
Video Formats MPEG-4, AVCHD, XAVC S, H.264
Timelapse Recording
Microphone Port
Headphone Port
Exposure Modes
Multi-Segment
Average
Spot
Partial
AF-Area
Center Weighted
Connectivity
GPS None
Wireless Connectivity Built-In
Bluetooth
HDMI
USB USB 3.1 Gen 1 (5 GBit/sec)
Battery
Battery Life 610 shots
Battery Type Battery Pack
Battery Model NP-FZ100
Physical
Weight 650 g
Physical Dimensions 127 x 96 x 74 mm
Environmental Sealing
Water Proof
Dust Proof
Shock Proof
Crush Proof
Freeze Proof
Shock Proof
Storage
Storage Type SD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG Duo
Storage Slots 2
Other Features
Self Timer
Selfie Friendly

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