Sony a7S III raises the bar for what a full-frame mirrorless camera is capable of. A revised 12.1MP Exmor R BSI CMOS sensor and updated BIONZ XR image processor offer faster performance, improved noise reduction, and a wider dynamic range, along with UHD 4K 120p video recording and internal 10-bit 4:2:2 sampling.

• 12MP Full-Frame Exmor R BSI CMOS Sensor
• 16-Bit Raw Output, HLG & S-Cinetone
• 44m-Dot QXGA OLED EVF
• 5-Axis SteadyShot Image Stabilization
• Dual CFexpress Type A/SD Card Slots
• UHD 4K 120p Video, 10-Bit 4:2:2 Internal
• 759-Point Fast Hybrid AF
• 0″ 1.44m-Dot Vari-Angle Touchscreen
• Extended ISO 40-409600, 10 fps Shooting

• Lens Mount- Sony E Mount
• "Sensor Resolution- Actual: 12.9 Megapixel
• Effective: 12.1 Megapixel (4240 x 2832)"
• Sensor Type- 35.6 x 23.8 mm (Full-Frame) CMOS
• Image Stabilization- Sensor-Shift, 5-Axis
• Capture Type - Stills & Video
• Shutter Type- Electronic Shutter, Mechanical Focal Plane Shutter
• "Shutter Speed - 1/8000 to 30 Second"
• Bulb/Time Mode - Bulb Mode
• ISO Sensitivity - Photo- 80 to 102,400 (Extended: 40 to 409,600) Video- 80 to 102,400 (Extended: 80 to 409,600)
• Metering Method - Center-Weighted Average, Highlight Weighted, Multiple, Spot
• Exposure Modes- Aperture Priority, Manual, Program, Shutter Priority
• "Exposure Compensation -5 to +5 EV (1/3 EV Steps)"
• Metering Range - -3 to 20 EV
• "White Balance - 2500 to 9900K
• Presets: Auto, Cloudy, Custom, Daylight, Flash, Fluorescent, Incandescent, Shade, Underwater"
• "Continuous Shooting- Up to 10 fps at 12.1 MP for up to 1000 Frames (Raw) / 1000 Frames (JPEG)
• Up to 8 fps at 12.1 MP
• Up to 6 fps at 12.1 MP
• Up to 3 fps at 12.1 MP"
• Interval Recording- Yes
• Self-Timer- 2/5/10-Second Delay
• "Recording (still images) - RECORDING FORMAT
• JPEG (DCF Ver. 2.0, Exif ,Ver. 2.32, MPF Baseline compliant), HEIF (MPEG-A MIAF compliant), RAW (Sony ARW 4.0 format compliant)"
• "IMAGE SIZE (PIXELS) [3:2]
• 35-mm full frame L: 4240 x 2832 (12 M), M: 2768 x 1848 (5.1 M), S: 2128 x 1416 (3.0 M), APS-C L: 2768 x 1848 (5.1 M), M: 2128 x 1416 (3.0 M), S: 1376 x 920 (1.3 M)"
• "IMAGE SIZE (PIXELS) [4:3]
• 35-mm full frame L: 3776 x 2832 (11 M), M: 2464 x 1848 (4.6 M), S: 1888 x 1416 (2.7 M), APS-C L: 2464 x 1848 (4.6 M), M: 1888 x 1416 (2.7 M), S: 1232 x 920 (1.1 M)"
• Aspect Ratio- 1:1, 3:2, 4:3, 16:9
• Bit Depth- 14-Bit
• "Internal Recording Modes - H.265/XAVC HS 4:2:2 10-Bit
• UHD 4K (3840 x 2160) at 23.98/50/59.94/100/ fps [50 to 280 Mb/s]
• 265/XAVC HS 4:2:0 10-Bit
• UHD 4K (3840 x 2160) at 23.98/50/59.94/100/ fps [30 to 200 Mb/s]
• 264/XAVC S-I 4:2:2 10-Bit
• UHD 4K (3840 x 2160) at 23.98/25/29.97/50/59.94 fps [240 to 600 Mb/s]
• 1920 x 1080p at 23.98/25/29.97/50/59.94 fps [89 to 222 Mb/s]
• 264/XAVC S 4:2:2 10-Bit
• UHD 4K (3840 x 2160) at 23.98/25/29.97/50/59.94/100/ fps [100 to 280 Mb/s]
• 1920 x 1080p at 23.98/25/29.97/50/59.94 fps [50 Mb/s]
• 264/XAVC S 4:2:0 8-Bit
• UHD 4K (3840 x 2160) at 23.98/25/29.97/50/59.94/100/ fps [60 to 200 Mb/s]
• 1920 x 1080p at 23.98/25/29.97/50/59.94/100//200/240 fps [16 to 100 Mb/s]"
• "External Recording Modes - Raw 16-Bit via HDMI
• 4264 x 2408 up to 59.94 fps
• 4:2:2 10-Bit via HDMI
• UHD 4K (3840 x 2160) at 23.98/25/29.97/50/59.94 fps
• 1920 x 1080p at 23.98/50/59.94 fps
• 1920 x 1080i at 50/59.94 fps
• 4:2:0 8-Bit via HDMI
• UHD 4K (3840 x 2160) at 23.98/25/29.97/50/59.94 fps
• 1920 x 1080p at 23.98/50/59.94 fps
• 1920 x 1080i at 50/59.94 fps"
• Sensor Crop Modes- Super35 / APS-C
• "Fast-/Slow-Motion Support Yes
• "Gamma Curve - Sony S-Log 2, Sony S-Log 3"
• Broadcast Output- NTSC/PAL
• Built-In Microphone Type- Stereo
• "Audio Recording- XAVC: 2-Channel 16-Bit 48 kHz LPCM Audio
• XAVC: 2-Channel 24-Bit 48 kHz LPCM Audio
• XAVC: 4-Channel 24-Bit 48 kHz LPCM Audio
• MP4: 2-Channel AAC Audio"
• Media/Memory Card Slot- Dual Slot: CFexpress Type A / SD (UHS-II)
• "Video I/O - 1 x HDMI Output"
• "Audio I/O - 1 x 1/8"" / 3.5 mm TRS Stereo Microphone Input
• 1 x 1/8"" / 3.5 mm TRS Stereo Headphone Output"
• Power I/O- 1 x USB-C Input
• "Other I/O- 1 x USB-C (Gigabit Ethernet, USB 3.2 / 3.1 Gen 1) Data Input/Output (Shared with Power Input)
• 1 x Sony Multi/Micro-USB Control"
• Wireless- Wi-Fi, Bluetooth
• LCD Screen Size - 3.0"
• LCD Resolution- 1,440,000 Dot
• Display Type-- Articulating Touchscreen LCD
• View Finder Type- Built-In Electronic (OLED)
• View Finder Size - 0.64"
• View Finder Resolution- 9,437,184 Dot
• "Eye Point 25 mm"
• View Finder Coverage- 100%
• View Finder Magnification- Approx. 0.9x
• "Diopter Adjustment -4 to +3"
• Focus Type- Auto and Manual Focus
• Focus Mode- Continuous-Servo AF, Direct Manual Focus, Manual Focus, Single-Servo AF
• Autofocus Points- Phase Detection: 759- Contrast Detection: 425
• Autofocus Sensitivity -6 to +20 EV
• "Built-In Flash No"
• Flash Modes- Auto, Fill Flash, Hi-Speed Sync, Off, Rear Sync, Red-Eye Reduction, Slow Sync
• "Maximum Sync Speed- 1/250 Second"
• "Flash Compensation- -3 to +3 EV (1/3, 1/2 EV Steps)"
• Dedicated Flash System - TTL
• External Flash Connection- Intelligent Hot Shoe
• Battery Type- 1 x NP-FZ100 Rechargeable Lithium-Ion, 7.2 VDC, 2280 mAh (Approx. 600 Shots)
• Accessory Mount- 1 x Intelligent Hot Shoe