Sony Alpha a7S III Mirrorless Digital Camera (Body Only)

Key features for Sony Alpha a7S III Mirrorless Digital Camera (Body Only)

• 12MP Full-Frame Exmor R BSI CMOS Sensor
• UHD 4K 120p Video, 10-Bit 4:2:2 Internal
• 16-Bit Raw Output, HLG & S-Cinetone
• 759-Point Fast Hybrid AF
• 9.44m-Dot QXGA OLED EVF
• 3.0" 1.44m-Dot Vari-Angle Touchscreen
• 5-Axis SteadyShot Image Stabilization
• Extended ISO 40-409600, 10 fps Shooting
• Dual CFexpress Type A/SD Card Slots

Optimized video, optimized sensitivity, optimized speed, the Sony Alpha 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.

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 a7S III also does away with recording time limits and incorporates HLG for direct HDR production as well as S-Log2/S-Log3 gamma profiles for advanced HDR production with editing.

Sony Alpha a7S III Mirrorless Digital Camera has an Imagination in Motion

Taking 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 stabilization. Your new creative potential awaits.

Sony Alpha a7S III Mirrorless Digital Camera has 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 stabilization, the α7S III again raises the bar for movie makers.

Sony Alpha a7S III Mirrorless Digital Camera has Large pixels deliver high sensitivity and low noise

The new full-frame 12.1-megapixel back-illuminated Exmor RTM CMOS image sensor packs major innovations in light-gathering, wiring and output optimization. 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.

Sony Alpha a7S III Mirrorless Digital Camera has 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 second2 or in slow motion. With the resolution and depth of field only possible from a full-frame sensor, the results are spectacular.

Sony Alpha a7S III Mirrorless Digital Camera has 10-bit 4:2:2 recording

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

Sony Alpha a7S III Mirrorless Digital Camera has All-Intra encoding available

As well as Long GOP, All-Intra encoding is now provided. This encodes every frame independently at bitrates up to 600 Mbps, 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 Alpha a7S III Mirrorless Digital Camera has All-Intra encoding available

As well as Long GOP, All-Intra encoding is now provided. This encodes every frame independently at bitrates up to 600 Mbps, 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 Alpha a7S III Mirrorless Digital Camera has 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 optimization, the 12.1-megapixel3 full-frame sensor achieves low noise throughout the sensitivity range, and can capture usable images in near-total darkness.

Sony Alpha a7S III Mirrorless Digital Camera has S-CinetoneTM from high-end cinema camera color science

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

Sony Alpha a7S III Mirrorless Digital Camera has S-Log gamma, S-Gamut3.Cine gamut as on pro camcorders

The S-Log gamma curve and S-Gamut3.Cine color gamut, shared with pro camcorders, provide wider dynamic range and easier color matching for smoother post-production workflows.

Sony Alpha a7S III Mirrorless Digital Camera has 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 color depth.

• High flexibility to fine-tune images as desired (color grading required)
• Instant high-quality image (color grading not required)

Sony Alpha a7S III Mirrorless Digital Camera has Image quality improvements

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

Sony Alpha a7S III Mirrorless Digital Camera has 16-bit RAW HDMI output

For demanding post-production workflows, 16-bit RAW output8 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.

Sony Alpha a7S III Mirrorless Digital Camera has 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.

Sony Alpha a7S III Mirrorless Digital Camera has 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 rates2.

Sony Alpha a7S III Mirrorless Digital Camera has 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.

Sony Alpha a7S III Mirrorless Digital Camera has 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.

Sony Alpha a7S III Mirrorless Digital Camera has Real-time Tracking with intuitive touch operation

Real-time Tracking analyzes subject color, pattern, depth, and face information to track the subject. Touch Tracking intuitively and automatically tracks a subject touched on the LCD screen.

Sony Alpha a7S III Mirrorless Digital Camera has In-body 5-axis image stabilization

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

Sony Alpha a7S III Mirrorless Digital Camera has Active Mode for hand-held shooting

The new Active Mode 13 provides increased stabilization 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

Sony Alpha a7S III Mirrorless Digital Camera has 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 48 kHz/16-bit 2-ch, and by using the optional XLR-K3M adaptor kit, 48 kHz/24-bit 2-ch and 48 kHz/24-bit 4-ch.

Sony Alpha a7S III Mirrorless Digital Camera hasUnique heat dissipation, for dependable recording

A unique Sony Σ (sigma) shaped graphite heatsink is built into the image-stabilization unit. This dissipates heat 5x more effectively14 for extended recording time, without interfering with image stabilization.

Sony Alpha a7S III Mirrorless Digital Camera has 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.

Sony Alpha a7S III Mirrorless Digital Camera has High ISO sensitivity

With 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 a7S III Mirrorless Digital Camera has 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 α7S III quickly finds and tracks your subject throughout the frame.

Sony Alpha a7S III Mirrorless Digital Camera has Outstanding continuous shooting performance

Use your choice of mechanical or electronic shutter for continuous burst shooting, with AF/AE tracking, at up to 10 fps. Capture decisive moments with over 1,000 frames of continuous uncompressed RAW shooting possible.

Sony Alpha a7S III Mirrorless Digital Camera has Highly-sensitive AF for low-light focusing

AF algorithm advances have allowed the α7S III to achieve autofocus in lighting conditions as dim as EV-617, 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 color 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 color. High Dynamic Range still images can also be captured in HLG mode for viewing on compatible TVs.

Sony Alpha a7S III Mirrorless Digital Camera has 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.

Sony Alpha a7S III Mirrorless Digital Camera has Vari-angle LCD monitor for comfortable movie shooting

The variable-angle 1.44 million-dot19 3.0-type touch screen features a side-open design, for flexible positioning and improved visibility when mounting on gimbals or rigs.

Sony Alpha a7S III Mirrorless Digital Camera has 9.44 million-dot19 high-definition electronic viewfinder

The new EVF offers resolution, contrast and color unlike anything in its class20. It also offers world-leading 0.9x finder magnification21, a 41 ° diagonal field of view, and a 25-mm-high eyepoint.