Sony a7S III specifications

Price
MSRP$3499 (body only)
Body type
Body typeSLR-style mirrorless
Body materialMagnesium alloy
Sensor
Max resolution4240 x 2832
Image ratio w:h1:1, 4:3, 3:2, 16:9
Effective pixels12 megapixels
Sensor photo detectors13 megapixels
Sensor sizeFull frame (35.6 x 23.8 mm)
Sensor typeBSI-CMOS
ProcessorBionz XR
Color spacesRGB, Adobe RGB, BT.2020
Color filter arrayPrimary color filter
Image
ISOAuto, 80-102400 (expands to 40-409600)
Boosted ISO (minimum)40
Boosted ISO (maximum)409600
White balance presets7
Custom white balanceYes
Image stabilizationSensor-shift
Image stabilization notes5-axis
CIPA image stabilization rating5.5 stop(s)
Uncompressed formatRAW
JPEG quality levelsExtra fine, fine, normal
File format
  • JPEG (Exif v2.32)
  • HEIF
  • Raw (ARW 4.0)
Optics & Focus
Autofocus
  • Contrast Detect (sensor)
  • Phase Detect
  • Multi-area
  • Center
  • Selective single-point
  • Tracking
  • Single
  • Continuous
  • Touch
  • Face Detection
  • Live View
Autofocus assist lampYes
Manual focusYes
Number of focus points759
Lens mountSony E
Focal length multiplier1×
Screen / viewfinder
Articulated LCDFully articulated
Screen size3
Screen dots1,440,000
Touch screenYes
Screen typeTFT LCD
Live viewYes
Viewfinder typeElectronic
Viewfinder coverage100%
Viewfinder magnification0.91×
Viewfinder resolution9,440,000
Photography features
Minimum shutter speed30 sec
Maximum shutter speed1/8000 sec
Exposure modes
  • Program
  • Aperture priority
  • Shutter priority
  • Manual
Built-in flashNo
External flashYes (Multi-interface shoe)
Flash X sync speed1/250 sec
Drive modes
  • Single
  • Continuous
  • Self-timer
  • Bracketing (AE/WB/DRO)
Continuous drive10.0 fps
Self-timerYes
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 steps)
WB BracketingYes
Videography features
FormatMPEG-4, XAVC S, XAVC HS, XAVC S-I, H.264, H.265
Modes
  • 3840 x 2160 @ 120p / 280 Mbps, XAVC HS, MP4, H.265, Linear PCM
  • 3840 x 2160 @ 100p / 280 Mbps, XAVC HS, MP4, H.265, Linear PCM
  • 3840 x 2160 @ 60p / 200 Mbps, XAVC HS, MP4, H.265, Linear PCM
  • 3840 x 2160 @ 50p / 200 Mbps, XAVC HS, MP4, H.265, Linear PCM
  • 3840 x 2160 @ 30p / 140 Mbps, XAVC HS, MP4, H.265, Linear PCM
  • 3840 x 2160 @ 25p / 140 Mbps, XAVC HS, MP4, H.265, Linear PCM
  • 3840 x 2160 @ 24p / 100 Mbps, XAVC HS, MP4, H.265, Linear PCM
  • 3840 x 2160 @ 60p / 600 Mbps, XAVC S-I, MP4, H.264, Linear PCM
  • 3840 x 2160 @ 50p / 500 Mbps, XAVC S-I, MP4, H.264, Linear PCM
  • 3840 x 2160 @ 30p / 300 Mbps, XAVC S-I, MP4, H.264, Linear PCM
  • 3840 x 2160 @ 25p / 250 Mbps, XAVC S-I, MP4, H.264, Linear PCM
  • 3840 x 2160 @ 24p / 240 Mbps, XAVC S-I, MP4, H.264, Linear PCM
  • 3840 x 2160 @ 120p / 280 Mbps, XAVC S, MP4, H.264, Linear PCM
  • 3840 x 2160 @ 100p / 280 Mbps, XAVC S, MP4, H.264, Linear PCM
  • 3840 x 2160 @ 60p / 200 Mbps, XAVC S, MP4, H.264, Linear PCM
  • 3840 x 2160 @ 50p / 200 Mbps, XAVC S, MP4, H.264, Linear PCM
  • 3840 x 2160 @ 30p / 140 Mbps, XAVC S, MP4, H.264, Linear PCM
  • 3840 x 2160 @ 25p / 140 Mbps, XAVC S, MP4, H.264, Linear PCM
  • 3840 x 2160 @ 24p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM
  • 1920 x 1080 @ 60p / 222 Mbps, XAVC S-I, MP4, H.264, Linear PCM
  • 1920 x 1080 @ 50p / 185 Mbps, XAVC S-I, MP4, H.264, Linear PCM
  • 1920 x 1080 @ 30p / 111 Mbps, XAVC S-I, MP4, H.264, Linear PCM
  • 1920 x 1080 @ 25p / 93 Mbps, XAVC S-I, MP4, H.264, Linear PCM
  • 1920 x 1080 @ 24p / 89 Mbps, XAVC S-I, MP4, H.264, Linear PCM
  • 1920 x 1080 @ 120p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM
  • 1920 x 1080 @ 100p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM
  • 1920 x 1080 @ 60p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM
  • 1920 x 1080 @ 50p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM
  • 1920 x 1080 @ 25p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM
  • 1920 x 1080 @ 24p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM
MicrophoneStereo
SpeakerMono
Storage
Storage typesDual SD/CFexpress Type A slots
Connectivity
USB USB 3.2 Gen 1 (5 GBit/sec)
USB chargingYes (USB PD supported)
HDMIYes (Standard)
Microphone portYes
Headphone portYes
WirelessBuilt-In
Wireless notes802.11ac (dual band) + Bluetooth
Remote controlYes (wireless or smartphone)
Physical
Environmentally sealedYes
BatteryBattery Pack
Battery descriptionNP-FZ100 lithium-ion battery charger
Battery Life (CIPA)600
Weight (inc. batteries)699 g (1.54 lb / 24.66 oz)
Dimensions129 x 97 x 81 mm (5.08 x 3.82 x 3.19)
Other features
Orientation sensorYes
GPSNone