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Sony Alpha a7S III

Sony’s A7s III is one of their latest full-frame mirrorless cameras, offering many improvements on the previous generation, including a revised 12.1MP Exmor R BSI CMOS sensor,  an updated BIONZ XR image processor,  improved noise reduction, and a wider dynamic range, along with UHD 4K 120p video recording and internal 10-bit 4:2:2 sampling. Video is the primary application of the a7S III, and improvements to the sensor and processor enable faster readout speeds and greatly reduced rolling shutter, along with high-bitrate internal recording, 16-bit raw output via the full-size HDMI port, and flexible control over motion with variable frame rate selection. The updated sensor design also brings improved autofocus performance via 759 phase-detection points, which offer intelligent subject tracking and Real-time Eye AF to ensure critical focus on moving subjects in all recording modes.

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  • New image sensor with double the readout speed
  • New image-processing engine with up to 8x the processing performance
  • High sensitivity, wide dynamic range
  • Recording movies with 10-bit depth and 4:2:2 color sampling
  • Full-frame 4K recording at 120 fps
  • All-Intra internal recording
  • HEVC codec with high compression efficiency
  • S-Log2 and S-Log3 with 10 bit 4:2:2 support
  • 6-bit RAW data output
  • 10-bit HLG picture profile
  • Enhanced movie image quality
  • Proxy recording for more efficient editing workflow
  • AF support in manual-focus mode
  • Improved tracking features
  • Fast Hybrid AF (Video and Photo)
  • Active Mode optical image stabilization for handheld shooting
  • New heat-dissipation design for extended recording times
  • Enhanced audio quality
  • Dedicated settings menu for movie shooting
  • High-speed continuous shooting performance
  • Two CFexpress Type A-compatible media slots
  • New touch-driven menu with workflow-based navigation
  • USB Power

Imaging

Lens Mount Sony E
Camera Format Full-Frame (1x Crop Factor)
Sensor Resolution Actual: 12.9 Megapixel

Effective: 12.1 Megapixel (4240 x 2832)

Aspect Ratio 1:1, 3:2, 4:3, 16:9
Sensor Type CMOS
Sensor Size 35.6 x 23.8 mm
Image File Format JPEG, Raw, HEIF
Bit Depth 14-Bit
Image Stabilization Sensor-Shift, 5-Axis

Exposure Control

ISO Sensitivity Auto, 80 to 102400 (Extended: 40 to 409600)
Shutter Speed 1/8000 to 30 Second

Bulb Mode

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 Auto, Cloudy, Color Temperature, Color Temperature Filter, Custom, Daylight, Flash, Fluorescent (Cool White), Fluorescent (Day White), Fluorescent (Daylight), Fluorescent (Warm White), 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

 Video

Recording Modes H.265/XAVC HS 4:2:2 10-Bit

UHD 4K (3840 x 2160) at 23.976p/25p/29.97p/50p/59.94p/100p/119.88p [50 to 280 Mb/s]

H.265/XAVC HS 4:2:0 10-Bit

UHD 4K (3840 x 2160) at 23.976p/25p/29.97p/50p/59.94p/100p/119.88p [30 to 200 Mb/s]

H.264/XAVC S-I 4:2:2 10-Bit

UHD 4K (3840 x 2160) at 23.976p/25p/29.97p/50p/59.94p [240 to 600 Mb/s]

Full HD (1920 x 1080) at 23.976p/25p/29.97p/50p/59.94p [89 to 222 Mb/s]

H.264/XAVC S 4:2:2 10-Bit

UHD 4K (3840 x 2160) at 23.976p/25p/29.97p/50p/59.94p/100p/119.88p [100 to 280 Mb/s]

Full HD (1920 x 1080) at 23.976p/25p/29.97p/50p/59.94p/100p/119.88p/200p/239.76p [50 Mb/s]

H.264/XAVC S 4:2:0 8-Bit

UHD 4K (3840 x 2160) at 23.976p/25p/29.97p/50p/59.94p/100p/119.88p [60 to 200 Mb/s]

Full HD (1920 x 1080) at 23.976p/25p/29.97p/50p/59.94p/100p/119.88p/200p/239.76p [16 to 100 Mb/s]

External Recording Modes Raw 16-Bit

4.2K (4264 x 2408) up to 59.94p

4:2:2 10-Bit

UHD 4K (3840 x 2160) at 23.976p/25p/29.97p/50p/59.94p

Full HD (1920 x 1080) at 23.976p/50p/59.94p

Full HD (1920 x 1080) at 50i/59.94i

4:2:0 8-Bit

UHD 4K (3840 x 2160) at 23.976p/25p/29.97p/50p/59.94p

Full HD (1920 x 1080) at 23.976p/50p/59.94p

Full HD (1920 x 1080) at 50i/59.94i

Recording Limit Unlimited
Video Encoding NTSC/PAL
Audio Recording Built-In Microphone (Stereo)

External Microphone Input

Audio File Format AAC LC, AC3, Dolby Digital 2ch, Linear PCM (Stereo)
Live Streaming Yes
Webcam Functionality Yes

Focus

Focus Type Auto and Manual Focus
Focus Mode Continuous-Servo AF (C), Direct Manual Focus (DMF), Manual Focus (M), Single-Servo AF (S)
Autofocus Points Phase Detection: 759

Contrast Detection: 425

Autofocus Sensitivity -6 to +20 EV

Viewfinder

Viewfinder Type Electronic (OLED)
Viewfinder Size 0.64″
Viewfinder Resolution 9,437,184 Dot
Viewfinder Eye Point 25 mm
Viewfinder Coverage 100%
Viewfinder Magnification Approx. 0.9x
Diopter Adjustment -4 to +3

Monitor

Size 3.0″
Resolution 1,440,000 Dot
Display Type Articulating Touchscreen LCD

Flash

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 Hot Shoe

Interface

Media/Memory Card Slot Dual Slot: CFexpress Type A / SD
Connectivity HDMI A (Full Size), USB Type-C (USB 3.2 Gen 1), USB Micro-B (USB 2.0), 3.5mm Microphone, 3.5mm Headphone
Wireless Wi-Fi

Bluetooth

GPS No

Environmental

Operating Temperature 32 to 104°F / 0 to 40°C

Physical

Battery 1 x NP-FZ100 Rechargeable Lithium-Ion, 7.2 VDC, 2280 mAh (Approx. 600 Shots)
Dimensions (W x H x D) 5.07 x 3.81 x 2.74″ / 128.9 x 96.9 x 69.7 mm
Weight 1.35 lb / 614 g (Body Only)

Orca OR-5 Bag
Sony Alpha a7S III Mirrorless Digital Camera
4x NP FZ100 Battery
2x BC QZ1 Charger For Sony NP FZ Battery
Sony CFExpress A /SDXC Card Reader w/ USB Cable
Tilta A7s III Full Cage
Tilta 15mm LWS Baseplate Type II
Tilta Quick Release Top Handle
SmallRig Mini Side Handle w/ Arri 3/8” Locating Mount
5/32 T Handle Allen Driver
3mm T Handle Allen Driver
3’ HYPERTHIN HDMI to HDMI Cable

Sony Alpha a7S III