Sony Alpha a7 III Review

Sony has filled the last gap in its full-frame lineup with the A7 III. With a newly developed full-frame 24.2-megapixel back-illuminated Exmor R CMOS image sensor, the same advanced autofocus engine found on the lauded A9 and A7R III, and 10 frames per second (even in fully silent shooting mode), there is quite a lot to unpack with Sony’s latest professional mirrorless camera. Some might be tempted to label it “prosumer,” but it may just challenge how robust a camera can be and still be given that moniker.

The Alpha A7 III sits on the bottom rung of Sony’s full-frame mirrorless camera range and is designed to appeal to both keen enthusiast photographers and professionals.

Check Out: Best Lenses for Sony A7 III

In the past the A7 series of cameras have always felt like poor relations to the A7R and A7S series. While the latter two ranges have tended to capture the limelight with their high pixel counts and advanced video capabilities, the A7 cameras have always been regarded as the basic models, sporting a solid but unremarkable set of features.

Sony Alpha a7 III Price & Deals

Sony Alpha a7 III Specifications

Price
MSRP$2000
Body type
Body typeSLR-style mirrorless
Sensor
Max resolution6000 x 4000
Other resolutions6000 x 3376, 3936 x 2624, 3936 x 2216, 3008 x 1688, 3008 x 2000
Image ratio w:h3:2, 16:9
Effective pixels24 megapixels
Sensor photo detectors25 megapixels
Sensor sizeFull frame (35.8 x 23.8 mm)
Sensor typeBSI-CMOS
ProcessorBionz X
Image
ISOAuto, 100-51200
Boosted ISO (minimum)50
Boosted ISO (maximum)204800
White balance presets11
Custom white balanceYes
Image stabilizationSensor-shift
CIPA image stabilization ratingstop(s)
Uncompressed formatRAW
JPEG quality levelsExtra fine, fine, standard
Optics & Focus
Autofocus
  • Contrast Detect (sensor)
  • Phase Detect
  • Multi-area
  • Center
  • Selective single-point
  • Tracking
  • Single
  • Continuous
  • Touch
  • Face Detection
  • Live View
Digital zoomYes (4)
Manual focusYes
Number of focus points693
Lens mountSony E-Mount Lenses
Focal length multiplier1×
Screen / viewfinder
Articulated LCDTilting
Screen size3
Screen dots921,600
Touch screenYes
Live viewYes
Viewfinder typeElectronic
Viewfinder coverage100%
Viewfinder magnification0.78×
Viewfinder resolution2,359,296
Photography features
Minimum shutter speed30 sec
Maximum shutter speed1/8000 sec
Aperture priorityYes
Shutter priorityYes
Manual exposure modeYes
Subject / scene modesYes
Built-in flashNo
External flashYes (via Multi Interface shoe)
Continuous drive10.0 fps
Self-timerYes (2 or 10 sec; continuous (3 or 5 exposures))
Metering modes
  • Multi
  • Center-weighted
  • Highlight-weighted
  • Average
  • Spot
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, 2 EV steps)
WB BracketingYes
Videography features
Resolutions3840 x 2160 (30p, 24p) 1920 x 1080 (120p, 60p, 60i, 24p), 1440 x 1080 (30p), 640 x 480 (30p)
FormatMPEG-4, AVCHD, XAVC S, H.264
Videography notesSupports XAVC S codec (100Mbps), S-Log2 and S-Log3, and HLG
Modes
  • 3840 x 2160 @ 30p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM
  • 3840 x 2160 @ 24p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM
  • 3840 x 2160 @ 30p / 60 Mbps, XAVC S, MP4, H.264, Linear PCM
  • 3840 x 2160 @ 24p / 60 Mbps, XAVC S, MP4, H.264, Linear PCM
  • 1920 x 1080 @ 120p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM
  • 1920 x 1080 @ 120p / 60 Mbps, XAVC S, MP4, H.264, Linear PCM
  • 1920 x 1080 @ 60p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM
  • 1920 x 1080 @ 30p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM
  • 1920 x 1080 @ 24p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM
  • 1920 x 1080 @ 60p / 25 Mbps, XAVC S, MP4, H.264, Linear PCM
  • 1920 x 1080 @ 30p / 16 Mbps, XAVC S, MP4, H.264, Linear PCM
  • 1920 x 1080 @ 60i / 24 Mbps, AVCHD, MTS, H.264, Linear PCM
  • 1920 x 1080 @ 60i / 17 Mbps, AVCHD, MTS, H.264, Linear PCM
MicrophoneStereo
SpeakerMono
Storage
Storage typesSD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG Duo
Connectivity
USBUSB 3.1 Gen 1 (5 GBit/sec)
HDMIYes (micro-HDMI port with 4K still, uncompressed video output)
Microphone portYes
Headphone portYes
WirelessBuilt-In
Wireless noteswith NFC and wireless control via PlayMemories Mobile app
Remote controlYes (wired)
Physical
Environmentally sealedYes
BatteryBattery Pack
Battery descriptionNP-FZ100 lithium-ion battery and charger
Battery Life (CIPA)710
Weight (inc. batteries)650 g (1.43 lb / 22.93 oz)
Dimensions127 x 96 x 74 mm (5 x 3.78 x 2.91)
Other features
Orientation sensorYes
Timelapse recordingNo
GPSNone

Sony Alpha a7 III Price & Deals

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