Sony A7s III Mirrorless Camera Body

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Camera West ID: 809889
$3,499.99

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Product Information

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.


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.


Up to 8x more powerful 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 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.


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 color 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 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


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 optimization, the 12.1-megapixel full-frame sensor achieves low noise throughout the sensitivity range, and can capture usable images in near-total darkness.


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.


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 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.


Active Mode for hand-held shooting

The new Active Mode 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.


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.


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.


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


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-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 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.


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 color unlike anything in its class. It also offers world-leading 0.9x finder magnification, a 41 ° diagonal field of view, and a 25-mm-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.


5 GHz Wi-Fi compatible

As well as 2.4 GHz, 5 GHz 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 MobileTM installed, for more efficient workflows and shooting in challenging environments.


Key Features:

  • 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 –409,600v, and improved image quality by approximately stop noise reduction the middle and high sensitivity ranges.
  • Video recording capabilities include 4K 120pi, 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.
  • 4K60p 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 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 60p 10-bit 4:2:2 movie shooting.
  • 5-axis optical in-body image stabilization supports handheld movie shooting,with added Active Mode 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 touch screen interface and touch operation.
  • High-speed continuous still image shooting at up to 10fps 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.
Sensor
Body type SLR-style mirrorless
Max resolution 4240 x 2832
Image ratio w:h 1:1, 4:3, 3:2, 16:9
Effective pixels 12 megapixels
Sensor photo detectors 13 megapixels
Sensor size Full frame (35.6 x 23.8 mm)
Sensor type BSI-CMOS
Processor Bionz XR
Image
ISO Auto, 80-102400 (expands to 40-409600)
Boosted ISO (minimum) 40
Boosted ISO (maximum) 409600
White balance presets 7
Custom white balance Yes
Image stabilization Sensor-shift
Image stabilization notes 5-axis
CIPA image stabilization rating 5.5 stop(s)
Uncompressed format RAW
JPEG quality levels Extra fine, fine, normal
Optics & Focus
Autofocus Contrast Detect (sensor)
Phase Detect
Multi-area
Center
Selective single-point
Tracking
Single
Continuous
Touch
Face Detection
Live View
Manual focus Manual focus
Manual focus 759
Lens mount Sony E
Focal length multiplier
Screen / viewfinder
Articulated LCD Fully articulated
Screen size 3″
Screen dots 1,440,000
Touch screen Yes
Screen type TFT LCD
Live view Yes
Viewfinder type Electronic
Viewfinder coverage 100%
Viewfinder magnification 0.91×
Viewfinder resolution 9,440,000
Photography features
Minimum shutter speed 30 sec
Maximum shutter speed 1/8000 sec
Aperture priority Yes
Shutter priority Yes
Manual exposure mode Yes
Subject / scene modes No
Built-in flash No
External flash Yes (Multi-interface shoe)
Continuous drive 10.0 fps
Self-timer Yes
Metering modes Multi
Center-weighted
Highlight-weighted
Average
Spot
Exposure compensation ±5 (at 1/3 EV, 1/2 EV steps)
AE Bracketing ±5 (3, 5 frames at 1/3 EV, 1/2 EV, 2/3 EV, 1 EV steps)
WB Bracketing Yes
Videography features
Format MPEG-4, XAVC S, XAVC HS, XAVC S-1, H.264, H.265
Modes 3840 x 2160 @ 120p / 280 Mbps, XAVC S, MP4, H.265, Linear PCM
3840 x 2160 @ 100p / 280 Mbps, XAVC S, MP4, H.265, Linear PCM
3840 x 2160 @ 60p / 200 Mbps, XAVC S, MP4, H.265, Linear PCM
3840 x 2160 @ 50p / 200 Mbps, XAVC S, MP4, H.265, Linear PCM
3840 x 2160 @ 30p / 140 Mbps, XAVC S, MP4, H.265, Linear PCM
3840 x 2160 @ 25p / 140 Mbps, XAVC S, MP4, H.265, Linear PCM
3840 x 2160 @ 24p / 100 Mbps, XAVC S, MP4, H.265, Linear PCM
1920 x 1080 @ 120p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM
1920 x 1080 @ 100p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM
1920 x 1080 @ 60p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM
1920 x 1080 @ 50p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM
1920 x 1080 @ 25p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM
1920 x 1080 @ 24p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM
Microphone Stereo
Speaker Mono
Storage
Storage types Dual SD/CFexpress Type A slots
Connectivity
USB USB 3.2 Gen 1 (5 GBit/sec)
USB charging Yes (USB PD supported)
HDMI Yes (Standard)
Microphone port Yes
Headphone port Yes
Wireless Built-In
Wireless notes 802.11ac (dual band) + Bluetooth
Remote control Yes (wireless or smartphone)
Physical
Environmentally sealed Yes
Battery Battery Pack
Battery description NP-FZ100 lithium-ion battery charger
Battery Life (CIPA) 600
Weight (inc. batteries) 699 g (1.54 lb / 24.66 oz)
Dimensions 129 x 97 x 81 mm (5.08 x 3.82 x 3.19″)
Other features
Orientation sensor Yes
GPS None

Delivery & returns

Returns & Exchanges

To ensure that you are pleased with the products you order from our stores all of our pre-owned gear come with a 24 hours inspection period for you to check out the item against our description. If it doesn't meet your expectations please reach out to us to start a return.

All returns are accepted 14 days from point of sale and must be returned in the original condition they were shipped as. Returns might be subject to a restocking fee of up to 15%, but as a courtesy, we do our best to work around fees if it is possible. We invite you to contact us for more info of you have a question about a return.

For more info concerning returns and exchanges please visit our knowledge base here.


Shipping & Delivery

Shipping of items over $100 required direct signature. All items over $100 are shipped via Fedex Ground. Please make sure your address accepts Fedex delivery services. Usually, PO boxes are not acceptable delivery addresses. For packages over $100 we require a direct signature if there is an issue with this please reach out to [email protected] with your order number and we will see what we can do to accommodate.

For more info concerning shipping please visit our knowledge base here.


Questions & Inquiries

Please feel free to email us [email protected], or fill out the form below and we will do our best to assist you.


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