Sony A7S III Full Frame Mirrorless Camera Body

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The Sony a7S III redefines the possibilities for full-frame mirrorless cameras with its exceptional video performance, remarkable sensitivity, and impressive speed. Boasting a 12.1MP Exmor R BSI CMOS sensor and an advanced BIONZ XR image processor, this camera delivers faster processing, superior noise reduction, and an expanded dynamic range. Moreover, it offers the ability to record UHD 4K video at 120p and supports internal 10-bit 4:2:2 sampling, providing filmmakers and content creators with a powerful tool for capturing high-quality, professional-grade footage.

Imagination in Motion
Taking the Sony Alpha 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.

For visual trailblazers
With extreme full-frame movie performance including high sensitivity (expanded ISO up to 409600), 15-stop wide dynamic range, 4K 120p, fast and dependable autofocusing, and extra-strong image stabilisation, the a7S III again raises the bar for movie makers.

Expressive possibilities
Large pixels deliver high sensitivity and low noise
The new full-frame 12.1-megapixel back-illuminated Exmor R TM 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-stop wide dynamic range, and reduced rolling shutter, with the sensor also providing focal-plane phase-detection AF.

Up to 8x more powerful BIONZ XR TM 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 power. 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
Stunning AF performance even at 4K 120p
The 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 second or in slow motion. With the resolution and depth of field only possible from a full-frame sensor, the results are spectacular.

10-bit 4:2:2 recording
Record 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.

All-Intra encoding available
As 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.

Superior quality and smaller files with XAVC HS
The 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 sizes

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-megapixel full-frame sensor achieves low noise throughout the sensitivity range, and can capture usable images in near total darkness.

S-Log3 gamma, S-Gamut3.Cine gamut as on pro camcorders
The 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.

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.

Image quality improvements
The 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.

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

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

A shooting revolution
Fast Hybrid AF for accuracy and tenacity
The 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 rates

Powerful focus control for solo shooters
With 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.

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

Real-time Tracking with intuitive touch operation
Real-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.

In-body 5-axis image stabilisation
A highly accurate image stabilisation unit and gyro-sensor are provided, delivering 5-axis optical image stabilisation.

Active Mode for hand-held shooting
The new Active Mode 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 resolution

Digital audio interface for clear sound recording
A 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.

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

Movie-shooting comfort
Responding 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
High ISO sensitivity
With an amazingly wide standard ISO range of 80-102400 (expandable to 40-409600 for stills), the a7S 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 a7S II model, even when shooting in near total darkness.

Fast Hybrid AF for stills
The 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 a7S III quickly finds and tracks your subject throughout the frame.

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

Highly-sensitive AF for low-light focusing
AF algorithm advances have allowed the a7S III to achieve autofocus in lighting conditions as dim as EV-6, where subjects are barely even visible with the naked eye.

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

New HEIF format and HLG image capture modes
The 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
Two CFexpress Type A-compatible media slots
Both 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.

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

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

Advanced operability
The 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.

New menu structure
Based 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.

Intuitive touch operation
The 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.

Visible Light and IR Sensor
A new Visible Light and IR Sensor is used for accurate white balance under artificial lights including fluorescent and LED.

Long Battery Life with Z Battery
The battery life of the A7S III is dramatically extended through the use of the advanced Z Series battery

Anti-Dust
An improved ultrasonic (over 70kHz) filter removes stray particles from the front of the sensor to prevent them ruining your images.

High Durability
The magnesium alloy chassis and 6-screw lens mount provides strength and rigidity to withstand rough treatment and difficult enviroments.

Dust and Moisture Resistance
The design, including seams, battery and port covers, is dust and moisture resistant for outdoor use.

USB PD (Power Delivery)
A USB charger or mobile battery can be connected via USB Type-C to charge the internal battery fast, or power shooting

HDMI Type-A Connector
For video and RAW output, the previously standard micro-HDMI connector is replaced with the more popular and durable HDMI Type-A connector.

Optimised Movie Button placement
The Movie button is now on the top face, improving operability at various shooting angles, and is more easily recognised by touch.

Locking Exposure Compensation Dial
A new lock release button at the centre of the Exposure Compensation Dial helps avoid accidental exposure changes.

Ready to customise to your needs
Assign any of the 137 frequently used functions to any of the 15 customisable buttons for more intuitive operation.

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

Wired LAN connectivity
For 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.

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

Imaging Edge DesktopTM
Elevate 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 efficiently

Capture One for Sony
Capture One Express (for Sony) 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.

New image sensor with double the readout speed
The newly developed back-illuminated full-frame Exmor RTM CMOS sensor, with 12.1 effective megapixels, boasts a readout speed up to twice as fast as that of the a7S II, along with high sensitivity and wide dynamic range. An advanced colour filter array boosts colour reproduction accuracy, while focal plane phase-detection AF enables substantial increases in autofocus stability and precision, all of which contribute to outstanding image quality.

New image-processing engine with up to 8x the processing performance
The BIONZ XRTM image-processing engine boasts a performance level up to eight times that of the previous processor, minimising latency while markedly improving real-time processing capabilities for both movies and stills. The engine performs real-time processing of AF, image recognition and image-quality adjustments, while also handling data transfer, user interface and other camera operations.

High sensitivity, wide dynamic range
The full-frame 12.1-megapixel configuration enables high sensitivity with low noise throughout the camera's sensitivity range by optimising the output signal from the sensor. The standard ISO range is 80-102400, which is further expandable to 40-409600 (80-409600 for movies). The dynamic range is an impressively wide 15 stops, for beautiful, true-to-life images without blown highlights. Together, the camera's high sensitivity and wide dynamic range expand your creative freedom during shoots.

Recording movies with 10-bit depth and 4:2:2 colour sampling
The camera is capable of performing 4K internal recording with 10-bit depth and 4:2:2 colour sampling when using either Long GOP or All Intra compression. This makes it possible to push your colour grades further, stretching video out for ultimate HDR realism while still retaining natural gradation, for true editing freedom.

Full-frame 4K recording at 120p
Full-frame 4K recording at 120fps with autofocus is possible thanks to the high-speed readout capabilities of the new image sensor working in tandem with the newly developed, powerful BIONZ XR processor. This high image-quality 4K, with full-pixel readout without binning, allows for clear post-produced slow motion (up to x5 slower than real time)18, as well as bokeh effects typical of full-frame cameras, all with smooth, high-precision autofocus. Despite the a7S III's compact size, it provides impressive scope for your creativity.

All-Intra internal recording
In addition to Long GOP inter-frame compression, the a7S III supports internal intra-frame (All-Intra) recording for the first time in an a-model body, where each frame is recorded independently at a high bitrate of up to 600Mbps. This can be useful for certain types of shoots as it allows maximum flexibility in post-production editing.

HEVC codec with high compression efficiency
Available for the first time, XAVC HS format recording using the MPEG-H HEVC/H.265 codec roughly doubles the compression efficiency. Compared to a normal 4K XAVC S format, XAVC HS allows for detailed 10-bit video with 4:2:2 colour sampling at comparable or lower data rates, delivering even better image quality as well as manageable file sizes

S-Log2 and S-Log3 with 10bit 4:2:2 support
S-Log2 and S-Log3 gamma curves are available, with S-Log3 designed for better reproduction of gradations from shadows to the mid-grey range (18% grey), enabling a dynamic range of up to 15 stops. Three colour gamut settings (S-Gamut, S-Gamut3, and S-Gamut3.Cine) are provided, and the latter two settings make it easier to match the colours of footage shot with Sony's professional cinema cameras. Because the colours match, colour grading is easier in post-production editing, making it more convenient to use the a7S III along with other pro cameras.

16-bit RAW data output
Facilitating improved image quality and more flexible and efficient editing in post production, the camera supports 16-bit RAW data output to an external recorder via HDMI, for the first time in the a series. The output is full-frame 4264 x 2408 (16:9 aspect ratio) 16-bit data from the image sensor, with a choice of frame rates (60p/50p/30p/25p/24p)

Proxy recording for more efficient editing workflow
When shooting movies, low bit-rate HD proxy files can be recorded simultaneously with higher bit-rate formats such as XAVC S-I 4K, and these smaller proxy files can then be used for editing and previewing prior to final production delivery. This reduces computer load and allows faster and more efficient workflows. Proxy files can be captured in either 10-bit XAVC HS (1920 x 1080) or 8-bit XAVC S (1280 x 720)

Enhanced movie image quality
Thanks to the improved capabilities of the a7S III's new image-processing engine, colours and textures of foliage and human skin can be more consistently reproduced without over-dependence on light sources. Gradation rendering has also been refined, for better-looking skin tones and highlight roll-off in portraits. When shooting 4K, the new image sensor and processing engine reduce rolling shutter distortion to as little as one-third that of the a7S II.

10-bit HLG picture profile
An HLG (Hybrid Log-Gamma) HDR picture profile, complete with the wide-gamut BT.2020 colour space, can be used for direct HDR (HLG) playback on compatible TVs. The result is true-to-life imagery close to what the naked eye can see, with detailed shadows and highlights, less blackout and less whiteout, all without the need for colour grading. In particular, 10-bit recordings reproduce a level of fine gradation and detail for extraordinary realism.

Fast Hybrid AF for dependable focus during movie shooting
Inheriting technology and performance standards from Sony's large-format FX9 pro camcorder, Fast Hybrid AF combines focal plane phase-detection AF with contrast-detection AF. This results in highly precise, smooth tracking of fast-moving subjects even over a wide range with a shallow depth of field, taking full advantage of Sony E-mount lenses' smooth linear-motor focusing and power-zoom operations. Newly added AF Transition Speed and AF Subject Shift Sensitivity parameters allow more flexible focus control, as requested by professional users. Both allow preset settings to be recalled during recording by using a customisable button.

Game-changing tracking features to revolutionise movie shooting
Real-time Tracking and Real-time Eye AF make movie-making much easier. Touch Tracking initiates subject tracking with an intuitive touch to the LCD monitor, processing data on colour, pattern (brightness), distance (depth) and facial information to keep your subject in steady focus. You can then concentrate more fully on composition, which can be especially useful when you're shooting solo or using a gimbal. Touch operations can be used to temporarily engage AF even when you're shooting manually.

AF support in manual-focus mode
The camera's autofocus support can be useful even when you're primarily using manual focus. For full AF speed, half-press the shutter button or press the AF-ON button, as you would when shooting stills. Alternatively, slower, more cinematic AF transitions can be achieved by initiating AF via the touch focus feature or Real-time Eye AF via a custom button assignment, resulting in slow, smooth autofocus at the preset AF Transition Speed.

Enhanced audio quality
A digital audio interface is incorporated in the camera's Multi Interface (MI) Shoe, to facilitate cleaner, clearer audio recordings without loss of quality. The XLR-K3M XLR Adaptor Kit additionally provides the camera with 4-channel 24-bit digital audio recording capability. Three recording formats can be selected from a menu: 48 kHz/16-bit 2-ch, 48 kHz/24-bit 2-ch, and 48 kHz/24-bit 4-ch, with the XLR-K3M XLR Adaptor Kit required for the latter two formats.

New heat-dissipation design for extended recording times
The camera's design has been optimised to prevent overheating even during extended recording sessions. A unique Sony S (sigma) shaped graphite-alloy heatsink is built into the image stabilisation unit, allowing the sensor to dissipate heat five times more effectively than in previous models, while allowing it to move freely and avoiding interference with the stabilisation system.

Active Mode optical image stabilisation for handheld shooting
Relying on a new high-precision stabilisation unit, gyro sensors, and optimised image stabilisation algorithms, the camera's Optical SteadyShot TM Active Mode provides the precise degree of optical image compensation needed during movie shooting, even for 4K video. With this unprecedented level of stabilisation it's possible to shoot with the camera only, taking advantage of the compact size and mobility of the a system.

Dedicated settings menu for movie shooting
A subset of the camera's settings can be changed independently for movie or still shooting, which can be useful if you want to use different ISO, Iris (aperture) and other settings depending on the shooting mode. Another convenient feature is the use of Flexible Exposure Mode instead of normal PASM Mode when Movie or S&Q mode is selected. This allows quick switching between auto and manual control of Iris (aperture) and shutter speed, and the function can be assigned to a custom button to allow one-touch toggling between auto and manual.

Fast Hybrid AF for still shots
The Fast Hybrid AF uses a high-density array of 759 phase-detection AF points (covering around 93% of the imaging area) in conjunction with 425-point contrast-detection AF. Real-time Eye AF (for humans and animals) and Real-time Tracking features are also available for the first time in the S series. Advanced AF algorithms facilitate precise AF down to light levels as low as EV-6, for accurate focus even when the subject would be difficult to see clearly with the naked eye.

Designed for smooth movie-making
Flexibility in positioning the camera and framing shots is provided by the side-opening, vari-angle monitor, which incorporates a bright 3.0-type, 1.44 million-dot LCD screen. The MOVIE button is within easy reach on the camera's top panel, and a durable HDMI Type-A terminal ensures reliable connections to external monitors. The item arrangement and initial settings on the mode dial have also been adjusted to meet the needs of pro users.

High-speed continuous shooting performance
Mechanical and electronic shutters are each capable of continuous shooting at up to 10fps with AF/AE. Continuous shooting of over 1000 uncompressed RAW images is possible thanks to increases in the buffer memory of the BIONZ XR processor and memory-card writing speed.

Creative Look feature to set the mood and atmosphere
The new Creative Look feature is a quick way to establish a particular mood in still shots and movies by altering parameters like brightness, contrast and colour saturation. Ten Creative Look presets are available in-camera, and each of these can be used as is, or further customised using eight individual parameter settings. Custom Creative Look settings can be easily saved and stored for later use.

Enhanced image quality for stills
The new image sensor and image-processing engine deliver an extraordinary degree of sensitivity, a defining characteristic of the S series, and significantly better reproduction of colour and textural details. Improved rendering capability provides realistic-looking images with reduced noise, particularly in the mid-to-high sensitivity range. A new Visible Light and IR Sensor improves auto white balance, and HEIF file options and an HLG Still Image Mode (for 8-bit and 10-bit HEIF stills) have been added

Two CFexpress Type A-compatible media slots
The camera's two media slots are compatible with new CFexpress Type A cards as well as SDXC/SDHC cards supporting UHS-I and UHS-II speed classes. CFexpress Type A cards are the next standard for compact storage with fast write/read speeds suitable for both high-speed continuous still shooting and 4K movie recording at high bit rates. They are capable of quickly clearing camera buffers even when high volumes of still image and movie data are being generated.

New touch-driven menu with workflow-based navigation
Responding to requests from pro photographers and videographers, the menu structure has been designed to allow professionals to work more efficiently. Menu tabs are on the left side of the display, while parameter groups and parameters related to the selected tab appear on the right. Up to three levels can be displayed together, making the menu structure more clearly visible. Touch-responsive menu operations enable fast, intuitive control.

High-definition 9.44 million-dot electronic viewfinder
Boasting the highest resolution in its class, the a7S III's viewfinder rivals the resolution of the human eye. It provides category-leading 0.90x viewfinder magnification, a 41º diagonal field of view, and a 25mm high eyepoint for clear, low-distortion viewing. Improvements in sealing greatly reduce the chance that even drastic ambient temperature fluctuations will cause interior condensation.

Reliable, durable construction
To maximise dust and moisture resistance, additional sealing has been applied to all body seams and to the battery compartment cover, and the media slot cover has been redesigned to handle harsh outdoor environments. A filter in front of the image sensor oscillates at an ultrasonic frequency of 70,000 cycles per second to remove dust from the sensor surface. The camera chassis is highly durable thanks to full magnesium-alloy construction.

Data communications to support on-site workflow
Wired and wireless communications features support FTP transfer for still and movie files as well as remote shooting capability, to facilitate professional workflows during shoots. Wireless 5GHz33/2.4GHz LAN connections are supported, and wired connectivity to 1000BASE-T Ethernet networks is available via a USB-to-Ethernet adaptor cable connected to the camera's USB Type C® port supporting SuperSpeed USB 5Gbps (USB 3.2). Remote shooting can be controlled from a PC with Sony's Imaging Edge Desktop TM application, or from a mobile device with Imaging Edge MobileTM.

USB Power Delivery
The camera supports USB PD (Power Delivery), to enable continuous shooting for extended periods without draining the internal battery31. PD-compatible USB chargers and mobile batteries can be connected to the camera's USB Type C® port, to supply power or to recharge the internal battery at 3 to 4 times the speed of conventional power supplies.

Capture One for Sony
Capture One Express (for Sony) 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 remote shooting capability.

Imaging Edge Desktop
Elevate your photography with Imaging Edge Desktop applications. Use ''Remote'' to control and monitor shooting live on your PC screen; ''Viewer''34 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 efficiently.

Sony a7S III Mirrorless Camera
NP-FZ100 Rechargeable Battery
BC-QZ1 Battery Charger
ALC-B1EM Body Cap
USB Type-C to Type-A Cable
Cable Protector
Shoulder Strap
Accessory Shoe Cap
Eyepiece Cup

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