Scan code: LN119308 Manufacturer code: ILCE7SM3B.CEC

Sony Alpha 7S III Mirrorless Camera (Body Only)

Sony a7s III (Body Only), 12.1 MP, 4K120, 10-bit 4:2:2, 5-Axis Image Stabilisation, HLG, S-Cinetone, 3-inch LCD Screen

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Scan code: LN119308 Manufacturer code: ILCE7SM3B.CEC
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Sony - 'Alpha 7S III Mirrorless Camera'
(Body Only)

Sony Alpha 7S III Mirrorless Camera

Imagination in MotionTaking the S series to a whole new level of full-frame movie expression, spectacular new speed combines with supreme sensitivity and ultra-low noise to put previously impossible 4K movie shoots on the menu, with high dynamic range, breathtaking focusing, and extra-strong image stabilisation. Your new creative potential awaits.

Full-Frame Video Performance

For visual trailblazersWith extreme full-frame movie performance including high sensitivity (expanded ISO up to 409600), 15-stop wide dynamic range, 4K 120p1, fast and dependable autofocusing, and extra-strong image stabilisation, the α7S III again raises the bar for movie makers.

Sony Alpha 7S III Mirrorless Camera with key features  4K 120 Video

12.1 Megapixel Exmor R CMOS Sensor

Sony A7S III Full frame Sensor

Large pixels deliver high
sensitivity and low noise
The new full-frame 12.1-megapixel2 back-illuminated Exmor RTM CMOS image sensor packs major innovations in light gathering, wiring and output optimisation. These deliver blazing doubled readout speeds, superb image quality throughout the whole sensitivity range, 15-stop3 wide dynamic range, and reduced rolling shutter, with the sensor also providing focal-plane phase-detection AF.

BIONZ XR Image Processing

Sony BIONZ XR Image processors on circuit board

Up to 8x more powerful4
BIONZ XRTM image processor
Along with the new sensor and its unprecedented speed, the BIONZ XR image processing engine has also been newly developed and packs up to 8x more processing power4. With a future-oriented architecture, it delivers high quality images faster for superlative still and video expression, as well as dramatically improved camera interface responsiveness.

Superlative Movie Performance

Youtube video thumbnail for Sony Alpha 7S III 4K 120 Slow Motion Video

Stunning AF performance even at 4K 120p1The new Exmor R full-frame image sensor and revolutionary BIONZ XR image processing engine deliver always-active pinpoint AF for astonishing detail in both space and time, and stunning 4K movies even at 120 frames per second1 or in slow motion. With the resolution and depth of field only possible from a full-frame sensor, the results are spectacular.

Sony Alpha 7S III sample image of woman standing infront of skyscraper windows

10-bit 4:2:2 recordingRecord right on the camera with the amazing richness of 10-bit depth and 4:2:2 colour sampling, for far greater flexibility in image grading, post-processing and compositing.

Sony Alpha 7S III Mirrorless Camera DSLM

All-Intra encoding availableAs well as Long GOP, All-Intra encoding is now provided. This encodes every frame independently at bitrates up to 600Mbps, to capture complex motions more accurately for recording on either internal or external media, and allow more efficient editing workflows.

[1] All-Intra (All-I) [2] Long GoP [3] Group of Pictures

Sony A7S III Mirrorless Camera DSLM

Superior quality and smaller files with XAVC HSThe new XAVC HS recording format uses HEVC/H.265 encoding to achieve twice the compression efficiency of AVC/H.264 encoding, for superior image quality and smaller file sizes5.

Renowned Low Light Performance

Sony Alpha 7S III Sample photo of dimly lit corridor with Red fabric and chandelier

Our renowned sensitivity
delivers expanded ISO 409600
The renowned sensitivity of the series scales new heights, with an expanded ISO range for movies from 80 to a remarkable 409600 (standard range 80 - 102400). With advanced light-gathering and output optimisation, the 12.1-megapixel2 full-frame sensor achieves low noise throughout the sensitivity range, and can capture usable images in near total darkness.

S-Cinetone Colour Science

A7S III sample image of woman wearing black vest top infront of windows

S-Cinetone from high-end
cinema camera colour science
The inclusion of Sony’s acclaimed S-Cinetone6look, inherited from the development of the Cinema Line FX9 and CineAlta cameras such as VENICE, allows cinematic colour to be achieved directly in-camera. S-Cinetone is optimised for natural skin tones and mid-range colours, with gentle highlight roll-off, for impressive subject depiction without grading at post production as a workflow.

Sony A7SIII sample image of boat travelling down a canal

S-Log3 gamma, S-Gamut3.Cine gamut as on pro camcordersThe S-Log3 gamma curve and S-Gamut3.Cine colour gamut, shared with pro camcorders, provide wider dynamic range and easier colour matching for smoother post-production workflows.

Sony Alpha 7S III Mirrorless Camera DSLM

HLG (Hybrid Log-Gamma)HLG (Hybrid Log Gamma) simplifies HDR production, producing footage for HLG-compatible BRAVIA TVs on the camera with no complex post-production, and smooth gradations from the 10-bit colour depth.
[1] High flexibility to fine-tune images as desired (colour grading required)
[2] Instant high-quality image (colour grading not required)

Sony Alpha 7S III Sample Image of fruits and vegetables

Image quality improvementsThe new BIONZ XR image processing engine delivers improvements in colour reproduction, stability against different light sources, natural tonal gradation and roll-off, and reduced rolling shutter.

External monitor connected to Sony A7S III

16-bit RAW HDMI outputFor demanding post-production workflows, 16-bit RAW output7 is available via HDMI connection to compatible external recorders8 while XAVC HS 4K, XAVC S 4K, or XAVC S-I 4K, and proxy files are simultaneously captured in-camera.

photographer filmmaker sat editing with mac book pro at a table

Efficient editing through proxy recordingWhile recording high-bitrate 4K movies, HD proxies (in 8 or 10-bit depth) can be generated in-camera9. Editing the smaller proxy files reduces computer load and speeds up workflow prior to final 4K delivery.

A Shooting Revolution

Sample image of female aerial dancer performing on red fabric

Fast Hybrid AF for accuracy and tenacityThe wide-area AF uses intelligent tracking and on-sensor phase-detection covering most of the frame. The result is that every bit of supremely accurate and tenacious AF performance is extracted in combination with high-quality E-mount lenses, even when shooting moving subjects at shallow depths-of-field in 4K and at 120p frame rates1.

Sample image of chefs working in a professional kitchen

Powerful focus control for solo shootersWith AF Transition Speed selectable over 7 levels, and AF Subject Shift Sensitivity over 5 levels, you can better convey your creative intentions when switching subjects or, for example, rack focusing. A simple touch can temporarily activate AF even during manual focus operation.

Sample image of female aerial dancer performing on red fabric

Real-time Eye AF for MoviesReal-time Eye AF uses AI to ensure pinpoint focusing precision for eyes, with performance now improved by 30%10 on profile or partially-obscured faces. Tenacious eye tracking lets you concentrate on composition even with a shallow focus depth.

Sony Alpha 7S III Mirrorless Camera rear touchscreen

Real-time Tracking with intuitive touch operationReal-time Tracking analyses subject colour, pattern, depth, and face information to track the subject. Touch Tracking intuitively and automatically tracks a subject touched on the LCD screen.

Built-in Image Stabilisation

Sony A7S III x ray view of image stabilisation

In-body 5-axis image stabilisationA highly accurate image stabilisation unit and gyro-sensor are provided, delivering 5-axis optical image stabilisation.
[1] Yaw [2] Roll [3] Pitch

Active Mode Stabilisation

Filmmaker holding Sony A7S III framing a shot

Active Mode for hand-held shootingThe new Active Mode11 12 provides increased stabilisation for movie shooting. To preserve image quality, the BIONZ XR processor accurately measures camera shake and compensates optically. This makes stable video possible even when shooting hand-held where space restraints prevent gimbal use, while walking, and at 4K resolution12.

Sony E-Mount Lenses

Series of Sony E Mount lenses pushed together

Advantages of Sony’s lenses for video shootingLearn the four unique advantages of using Sony's E-mount lens for video shooting. The combination of Sony's lenses and cameras will enhance your video creation experience.
Learn More Here

Professional Recording Comfort

Sony A7S III with external microphone

Digital audio interface for clear sound recordingA digital audio interface added to the Multi Interface (MI) Shoe allows direct 24-bit input. Available settings are 48kHz/16-bit 2-ch, and by using the optional XLR-K3M adaptor kit, 48kHz/24-bit 2-ch and 48kHz/24-bit 4-ch.

Sony Alpha 7S III Mirrorless Camera DSLM

Unique heat dissipation, for dependable recordingA unique Sony Σ (sigma) shaped graphite heatsink is built into the image stabilisation unit. This dissipates heat 5x more effectively13 for extended recording time, without interfering with image stabilisation.

A7S III top camera controls

Movie-shooting comfortResponding to feedback from professional users, the MOVIE button has been moved to the top face for improved operability in any shooting position. Mode dial ordering and speed of switching have also been improved.

Advanced Still Functions and Performance

Sony Alpha 7S III Sample photo of woman stood infront of nighttime city skyline

High ISO sensitivityWith an amazingly wide standard ISO range of 80-102400 (expandable to 40-409600 for stills), the α7S III offers incredible creative opportunities. The newly-developed image sensor and image processing algorithms produce even cleaner images and more natural textures than the previous α7S II model, even when shooting in near total darkness.

Sony Alpha 7S III Autofocus plane

Fast Hybrid AF for stillsThe Fast Hybrid AF system combines speed and precision. With 759 focal plane phase-detection sensors and 425 contrast-detection points distributed across most of the image area, the α7S III quickly finds and tracks your subject throughout the frame.

Sample image of female aerial dancer performing on red fabric

Outstanding continuous shooting performanceUse your choice of mechanical or electronic shutter for continuous burst shooting, with AF/AE tracking, at up to 10fps14. Capture decisive moments with over 1000 frames of continuous uncompressed RAW shooting possible15.

Sony Alpha 7S III Mirrorless Camera DSLM

Highly-sensitive AF for low-light focusingAF algorithm advances have allowed the α7S III to achieve autofocus in lighting conditions as dim as EV-616, where subjects are barely even visible with the naked eye.

Sony Alpha 7S III Mirrorless Camera DSLM

Still-image quality advances through new sensor and engineThe newly-developed image sensor and image processing engine deliver improvements in colour reproduction, particularly of skin tones, and texture depiction in still images.

Sony Alpha 7S III Mirrorless Camera DSLM

New HEIF format and HLG image capture modes17The HEIF image file format is supported, offering better image quality and greater compression efficiency than JPEG, plus 10-bit colour. High Dynamic Range still images can also be captured in HLG mode for viewing on compatible TVs.

Workflow Efficiency

Sony Alpha 7S III Mirrorless Camera DSLM

Two CFexpress Type A-compatible media slotsBoth card slots support both ultra-fast CFexpress Type A cards, allowing high-bitrate recording and fast buffer clearance, and SDXC UHS-II cards. Parallel and Relay recording are also available.

Sony Alpha 7S III Mirrorless Camera DSLM

Vari-angle LCD monitor for comfortable movie shootingThe variable-angle 1.44 million-dot18 3.0-type touch screen features a side-open design, for flexible positioning and improved visibility when mounting on gimbals or rigs.

Sony Alpha 7S III Mirrorless Camera DSLM

9.44 million-dot18 high-definition electronic viewfinderThe new EVF offers resolution, contrast and colour unlike anything in its class19. It also offers world-leading 0.9x finder magnification20, a 41° diagonal field of view, and a 25mm high eyepoint.

Redesigned Menu System

Sony Alpha 7S III Mirrorless Camera DSLM

Advanced operabilityThe menu structure has been redesigned to reflect feedback from both pro photographers and videographers. Camera settings are now more intuitive and the camera is more responsive to setting changes.

Sony Alpha 7S III Mirrorless Camera DSLM

New menu structureBased on requests from our most demanding professional users, major improvements have been made to the menu structure, for improved at-a-glance readability and reduced menu navigation.

Sony Alpha 7S III Mirrorless Camera DSLM

Intuitive touch operationThe menu screen can be operated by touch, while the playback screen features swiping, and pinch-to-zoom. Operability of the touch functions when shooting has also been improved.

Sony Alpha 7S III Mirrorless Camera DSLM

5GHz25 Wi-Fi compatibleAs well as 2.4GHz, 5GHz25 Wi-Fi® connectivity is provided for remote operation, wireless preview, and faster and more stable data transfer of both still images and video.

Sony Alpha 7S III Mirrorless Camera DSLM

Wired LAN connectivityFor complex, interference-prone environments, or higher bandwidth needs, 1000BASE-T wired LAN connectivity is available by connecting a compatible USB-Ethernet adaptor cable to the camera’s USB Type C® port.

Sony Alpha 7S III Mirrorless Camera DSLM

Remote preview and shootingEither wired or wireless remote shooting is available from a PC, or from a mobile device with Imaging Edge MobileTM installed, for more efficient workflows and shooting in challenging environments.

Sony Alpha 7S III Mirrorless Camera DSLM

Imaging Edge desktopElevate your photography with Imaging Edge Desktop applications. Use "Remote" to control and monitor shooting live on your PC screen; "Viewer"26 to quickly preview, rate, and select photos from large image libraries; and "Edit" to develop RAW data into high-quality photos for delivery. Get the best from Sony RAW files, and manage your productions more efficiently27.

Sony Alpha 7S III Mirrorless Camera DSLM

Capture One for SonyCapture One Express (for Sony)28 is free award-winning editing software that provides RAW development, easy management and powerful editing tools. Capture One Pro (for Sony) is also available for even more editing tools and tethered shooting capability.

Mirrorless Camera as a Webcam

Sony Alpha 7S III Mirrorless Camera DSLM

Imaging Edge™ WebcamThe Imaging Edge Webcam application makes it easy to use your Sony camera as a high-quality webcam, with wide compatibility, for impressive live streaming and conferencing.
Details about the application

Megapixel 12.1 MP
Lens Mount E
Sensor Size Full Frame
Sensor Type Exmor R CMOS
Video Resolution
  • 1920x1080
  • 3840x2160
Max Photo Resolution
  • (1:1) 2832x2832
  • (16:9) 4240x2400
  • (3:2) 4240x2832
  • (4:3) 3680x2760
  • 120
  • 24
  • 25
  • 30
  • 50
  • 60
File Format
  • JPG
  • RAW
  • XAVC S
  • 3.5mm Jack
  • HDMI Out
  • Micro USB
  • USB-C
  • Wireless/App Connectivity
Dynamic Range 15 Stops
Aspect Ratio 3:2
  • CFexpress Type A
  • CFexpress Type B
Built-in Display Yes
Weight 699 g
Dimensions 128.9 x 96.9 x 80.8 WxHxD
Additional Information
Scan Code LN119308
Model Number ILCE7SM3B.CEC

Please note your statutory rights are not affected.

For further information regarding Scan's warranty procedure please see our terms and conditions

12 months
DOA Period:
7 days
RTB Period:
1 months
Manufacturer Contact Details
Fuji Direct
01234 245270
Sony Alpha 7S III Mirrorless Camera (Body Only)
Sony Alpha 7S III Mirrorless Camera (Body Only)