Alpha Universe Story Detail
Alpha Universe Story Detail
Highly Anticipated Sony Alpha 7S III Combines Supreme Imaging Performance with Classic “S” Series Sensitivity

New Alpha 7S III Empowers Creators with 4K 120 P Video, 10-bit 4:2:2 Recording, 15+ Stop Dynamic Range, Improved AF Performance, and More  

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•  Newly developed BIONZ XR™ image processing engine with eight times more processing power and a brand-new 12.1-megapixel (approx. effective) back-illuminated full-frame Exmor R™ CMOS image sensor, significantly reduced rolling shutter effect 

•  Ultra-high sensitivity with ISO range expandable from 40–409,600, and improved image quality by approximately 1 stop noise reduction in the middle and high sensitivity ranges

•  Video recording capabilities include 4K 120 p, 10 bit 4:2:2 color depth, All-Intra recording, XAVC HS format with H.265 codec, and more

•  15+ stop dynamic range for movies

•  4K 60 p 16-bit RAW video HDMI output for the first time in the Alpha™ series

•  Fast Hybrid AF system with 759-point phase-detection AF sensors covering 92% of the image sensor 

•  Enhanced Real-time Eye AF for movie recording and still-image recording

•  New heat-dissipating mechanism and dual-slot relay recording enables over one-hour long 4K 60 p 10-bit 4:2:2 movie shooting until the battery dies

•  5-axis optical in-body image stabilization supports handheld movie shooting, with added Active Mode to support especially difficult handheld movie shooting

•  World’s brightest and largest new 0.64-type 9.44 million-dot (approx.) OLED electronic viewfinder

•  Side-opening variable-angle LCD screen enhances shooting flexibility 

•  Completely redesigned menu system with touchscreen interface and touch operation 

•  High-speed continuous still-image shooting at up to 10 fps for more than 1,000 consecutive uncompressed RAW images with full AF/AE tracking 

•  Dual CFexpress Type A card slots that enable high-speed data processing while keeping the compact size 

(Singapore, July 28, 2020) – Today, Sony announced the long-awaited addition to its acclaimed Alpha 7S full-frame mirrorless camera series⁠—the Alpha 7S III (model ILCE-7SM3). 

Featuring a brand-new 12.1 MP (approx. effective) back-illuminated full-frame image sensor with ultra-high sensitivity and 15+ stop wide dynamic range, a host of impressive video recording capabilities including 4K 120 p and 10-bit 4:2:2 color depth, a new heat-dissipating mechanism, dual-slot relay recording enabling over one-hour of 4K 60 p movie shooting until the battery dies, a new autofocus system, and touchscreen interface and side-flip LCD screen, the new Alpha 7S III is the ultimate creative tool for video professionals and all types of hybrid still/video shooters. 

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“The Alpha 7S III is the ultimate representation of Sony’s passion to solve our customers’ pain points,” said Ryo Ochi, General Manager, Digital Imaging Division, Sony Electronics Asia Pacific. “We are always listening to our customers’ feedback, pushing hard to deliver innovation that goes far beyond their expectations. There is no better example than this new camera. Combining classic S series sensitivity with a feature set, performance level, and user experience that is simply unmatched in the market today—at any price level—the Alpha 7S III opens up a new world of possibilities for today’s creators.”

The system architecture for the new Alpha 7S III has been completely redesigned to deliver exceptional video and still-shooting performance. The new 35 mm full-frame 12.1MP (approx. effective) back-illuminated Exmor R™ CMOS image sensor reduces rolling shutter by up to three times and utilizes a variety of advanced light-gathering techniques to ensure high sensitivity with low noise, allowing users to shoot in low-light situations without needing large-scale lighting setups. In addition to improved image quality, this new image sensor includes a focal plane phase detection AF system for the first time in an S-series camera. To compliment the new sensor, the Alpha 7S III also includes a new BIONZ XR™ image processing engine that provides up to eight times more processing power, minimizes processing latency, and enables many of the hallmark still and imaging features of the camera. The new system also includes the world’s brightest and largest 9.44 million-dot (approx.) OLED electronic eye-level viewfinder and is the world’s first camera with dual CFexpress Type A card slots, enabling high-speed data transfer in a compact size. 

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Professional Video Workflow Solutions

The Alpha 7S III offers in-camera 4K recording up to 120 frames per second, 10-bit depth, and 4:2:2 color sampling, producing stunning video recording. The new camera offers a more flexible and efficient post-production workflow with a variety of advanced movie recording modes such as All-Intra and MPEG-H HEVC/H.265 coding (XAVC HS™). The Alpha 7S III makes it easy to integrate video recordings with other professional camcorders by providing three color gamut settings—S-Gamut, S-Gamut3, and S-Gamut3.Cine—which allows users to easily match footage shot on the Alpha 7S III with footage shot on the professional camcorders, simplifying multi-camera post-production workflow. In addition to S-Log3 gamma curves, the Alpha 7S III supports an HLG (Hybrid Log-Gamma) picture profile with minimum post-production. The Alpha 7S III also allows up to 4K 60 p 16-bit RAW output to an external recorder via HDMI Type-A connector, offering additional post-production flexibility. 

Improved Image Quality

The new CMOS image sensor and BIONZ XR™ image processing engine in the Alpha 7S III delivers legendary S-series sensitivity with significantly enhanced color reproduction and texture renderings for improved overall image quality. The base ISO has been lowered to 80, resulting in a normal range of 80–102,400 (expandable to 80–409,600 for video and 40–409,600 for stills) to provide more flexible ISO as well as wide dynamic range with low noise at all settings. It offers improved image quality by approximately 1 stop of noise reduction in the middle- and high-sensitivity ranges.

CX85000 SEL1224GM up to A2 2885

The colors and textures of foliage, human skin, and more are ideally and consistently reproduced without depending on light sources. Gradation rendering has also been refined for better-looking skin tones and highlight roll-off in portraits. It also improves AWB (Auto White Balance) performance with a new “Visible light + IR Sensor” that helps to achieve more precise white balance under artificial lighting, including fluorescent and LED lights. 

Versatile Operability

Advanced Autofocus Performance for Hybrid Use

For the first time in an Alpha 7S series camera, the Alpha 7S III offers Fast Hybrid AF by combining phase-detection and contrast-detection AF, giving it the ability to track subjects over a wide area with outstanding speed, precision, and smoothness, even when using a narrow depth of field. Fine focus expression is possible with Sony’s E-mount lenses.

For environments with a lot of movement, Real-time Tracking and Real-time Eye AF are available to maintain constant focus on the intended subject. Sony’s advanced Real-time Eye AF improves detection performance by 30% compared to the previous system thanks to the new image processing engine. It ensures accurate, reliable detection, even when the subject looks away. Real-time Tracking is initiated simply by touching the subject on the screen. Real-time Eye AF is automatically initiated when an eye is detected.

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Flexible Autofocus Settings for Movie Shooting

Based on customer feedback, the camera includes several AF features for professional users, including AF Transition Speed in seven settings to easily create rack-focus transitions, and five AF Subject Shift Sensitivity settings which allow the user to customize how easily AF will switch or stay with the locked-on subject. Touch Tracking allows users to not only initiate Real-time Tracking, but also compose and shoot while using a gimbal or while shooting solo. It’s now possible to Touch Focus during manual focus mode on the LCD screen or remotely from the Imaging Edge Mobile application.

New Heat-dissipating Structure

The Alpha 7S III’s design has been updated to ensure effective heat dissipation and minimizes overheating—even during extended continuous recording sessions at 4K 60 p 10-bit 4:2:2 video lasting an hour or more. A newly developed unique heat-dissipating structure keeps the image sensor and image processing engine temperatures within their normal operating ranges, preventing overheating while maintaining compact body dimensions. The new heat-dissipating structure requires no fan or cabinet vents, allowing Alpha 7S III to maintain dust and moisture resistance.

Movie Assist Functions

For video on the go, the Alpha 7S III is the first Alpha series camera to include Active Mode with 5-axis optical in-body image stabilization to support especially difficult handheld movie shooting. It is also the first Alpha series E-mount body to feature a side-opening vari-angle rear screen, perfect for gimbal-mounted shots, complicated angles, handheld operation, and more. The screen rotates sideways, up, and down, and features a 3.0-type 1.44 million-dot (approx.) touch panel LCD monitor for optimal visibility even in bright outdoor environments.

In addition, the Alpha 7S III provides a selection of new Creative Looks with 10 presets that can be used for both photo and video shoots, making it easy to create interesting moods directly in the camera to be used as is or customized by the user. 

A digital audio interface has been added to the camera’s Multi-interface (MI) Shoe for clearer audio recordings from a compatible Sony external microphone. Used with Sony’s XLR-K3M XLR Adaptor Kit, the Alpha 7S III provides 4-channel 24-bit digital audio recording capability in an Alpha series camera for the first time. Like other MI shoe accessories, no cables or batteries are required, providing unrestrained freedom for Alpha system moviemaking. 

Additional movie assist functions include a redesigned monitor display with a bold, clearly visible red frame that makes it clear when recording is in progress even when mounted on a rig or gimbal, custom zoom settings, adjustable white balance while recording, display rotation, interval recording, still extraction from movies, and more.

Outstanding Still-image Photography

The Alpha 7S III includes a fast Hybrid AF system with 759 phase-detection AF points covering 92% of the image sensor. The camera can also achieve high AF precision to accurately and reliably focus in light down to EV-6, where subjects are difficult to see clearly even with the naked eye. Users can continuously shoot more than 1,000 uncompressed RAW images at up to 10 fps, or up to 8 fps in live view mode, with either the mechanical or electronic shutter.  


CX85000 SEL135F18GM up to Full 80117

The Alpha 7S III also includes the world’s first 9.44 million-dot (approx.) 0.64 type Quad-XGA electronic viewfinder with a high-definition OLED display. The Alpha 7S III viewfinder offers a 0.90x viewfinder magnification, 41° diagonal field of view, 25 mm high eyepoint for clear, low-distortion corner-to-corner viewing. It is also dust-, fog-, and moisture-resistant, extremely responsive, and has switchable modes for different subject types. Every aspect of the Alpha 7S III viewfinder has been designed and refined for a professional workflow. 

For the first time in one of Sony’s digital cameras, the Alpha 7S III includes HEIF (High-efficiency Image File Format) that enables smooth 10-bit gradations and advanced compression technology to maintain image quality while significantly reducing file size and saving storage space. HEIF stills shot in this mode can be played back on a compatible Sony HDR (HLG) TV via a direct HDMI Type-A connection from the Alpha 7S III, delivering true-to-life dynamic range.  

Versatile Design Made for the Pros

CFexpress Type A for High-speed Data Transfer

In another world first, the Alpha 7S III features two CFexpress Type A-compatible media slots which also support UHS-I and UHS-II SDXC/SDHC cards, enabling high write-and-read speeds while keeping the camera body compact in size. CFexpress Type A cards are ideally suited to high-speed continuous RAW still-image shooting as well as 4K 120 p movie recording at high bit rates, providing next-generation write speeds that can quickly clear the buffers of cameras that generate high volumes of still-image and movie data. High-speed data transfer to a PC is possible at about 1.7 times faster than that of an SD card. The dual slots can be set to relay mode for extended continuous recording of even the highest bit rate data as well as simultaneous recording and sort-by-format-type recording.

Revised Menu System with Enhanced Touchscreen

The Alpha 7S III also features a revised menu structure for easier navigation and touch-responsive menu operation for faster, more intuitive control. For creators who shoot both stills and movies, separate settings can now be stored for stills and movie shooting for quick transition between the two.

High Reliability Gives Creators New Freedom

Professional users need more than just refined features and performance. They also need the reliability and durability demanded of any professional tool. The Alpha 7S III features a redesigned grip for greater comfort and a secure hold, an improved dust removal feature, plus dust and moisture resistance that maximizes reliability in challenging environments. It includes a durable, reliable HDMI Type-A connector, and is the first Alpha series camera to support USB PD (Power Delivery), allowing higher power to be supplied from an external source so that users can continue to record for extended periods with minimal internal battery usage.

Advanced Connectivity for Professional Working Environments

The Alpha 7S III has been designed and configured to support photo and video journalists and sports shooters who need to deliver stills or movies as quickly as possible with several advanced connectivity options. The camera supports 5 GHz/2.4 GHz wireless LAN (IEEE 802.11ac) and offers MIMO (multiple input and multiple output) to improve communication quality by using multiple antennas, doubling in speed when compared to the Alpha7R IV. It also carries new USB tethering support When connected to a 5G (5th-generation technology standard for cellular networks)-compatible device such as Sony’s "Xperia 1 II" smartphone via USB cable, it is possible to use 5G network for fast and stable FTP file transfer. USB to high-speed wired LAN connectivity also offers stable and fast FTP transfer for both movies and stills. A USB Type-C™ connector that supports fast SuperSpeed USB 5 Gbps (USB 3.2) data transfer is provided, enabling high-speed PC Remote (tethered) data transfer available for smooth handling of large image files.


The new Alpha 7S III Full-frame Interchangeable Lens Camera will be available at select retail stores and online stores from October 2020. 

Retail stores

Sony Stores: 

Authorized dealers: 


Sony Store online: 

Authorized dealers: 

Exclusive stories and exciting new content shot with the new camera and Sony’s other imaging products can be found at, a site created to educate and inspire all fans and customers of Sony α (alpha).

New content will also be posted directly on the Sony Photo Gallery.

For full product details, please visit: 

Product videos on the new Alpha 7S III are listed below: 

Concept video

Imagination in Motion | Alpha 7S III | Sony | α

Product Feature Video

Introducing Alpha 7S III | Sony | α

About Sony Electronics (Singapore)

Sony Electronics (Singapore) is responsible for the marketing and sales of consumer products, as well as professional products and solutions in Singapore. It also handles export business for Sony products from Singapore to various parts of Asia. Since establishing our presence in Singapore in 1973, we have grown steadily over the years to become a leader in the consumer electronics and broadcast markets. For more information on Sony’s products and services in Singapore, please visit 

About Sony Corporation

Sony Corporation is a creative entertainment company with a solid foundation of technology. From game and network services to music, pictures, electronics, semiconductors, and financial services, Sony’s purpose is to fill the world with emotion through the power of creativity and technology. For more information, visit: 

For media inquiries, please contact:

Kavya Rai
BlueCurrent for Sony Electronics
Asia Pacific and Singapore
Tel.: +65 6671 4707 

Melanie Shum
Sony Electronics Asia Pacific
Tel.: +65 6544 7428