- 12 MP Exmor R BSI CMOS Sensor
- Full Frame
- Sony E Mount
- ISO 40-409,600 with low noise
- 120p UHD 4K 10-bit 4:2:2
- Full pixel readout in all rec. modes
- 16-bit 60p RAW output
- Dual card slots
- 9.44 million dot EVF
- 3" vari-angle touchscreen LCD
- 5-axis IBIS with Active mode
- Long battery life extendable via USB Type C with Power Delivery
- MI shoe with digital audio interface
- Full size HDMI Type-A connector
- USB-C to Ethernet wired LAN (via optional adaptor)
- Small size and light weight
In the Box
- Sony Alpha a7S III Mirrorless Digital Camera (Body Only)
- Sony NP-FZ100 Rechargeable Lithium-Ion Battery (2280mAh)
- Sony BC-QZ1 Battery Charger
- Sony ALC-B1EM Body Cap for E-Mount Cameras
- USB Type-C to Type-A Cable
- Cable Protector
- Shoulder Strap
- Accessory Shoe Cap
- Eyepiece Cup
Sensitivity, speed and supreme imagery
The Alpha 7S III features a newly developed 12.1-megapixel1 Full-frame Backside-illuminated (BSI) Exmor R CMOS sensor that delivers sensitivity, speed and superior images and movie. It takes full advantage of the large pixels and BSI copper wiring structure to more than double the sensitivity and readout speed2. The results are astounding, with phenomenal low-light capability, up to 15+ stops of dynamic range4 and drastically reduced noise for ultra-sharp and clean images and 3x reduced rolling shutter2. In addition, this new Exmor R sensor features Sony’s acclaimed fast hybrid autofocus with 759 phase detection AF points and 92% coverage. The high sensitivity also allows it to autofocus in light as low as EV-611.
8x more processing power
A new BIONZ XR processing engine delivers 8x more processing power than previous models. It not only supports the high sensitivity and wide dynamic range that has become hallmarks of the “S” series, but also high-speed features such as real-time AF tracking and up to 10fps continuous shooting of more than 1000 RAW still images. 15 This new BIONZ XR engine can process large volumes of data in real time, making full-frame readout without pixel binning possible in all recording modes, including 4K 120p5 All-I 10-bit 4:2:2. Whether shooting stills or movies, the Alpha 7S III offers overwhelming image quality with stress-free operation.
Legendary low-light and 15+ stops dynamic range
The Alpha 7S III builds on the legendary low-light performance synonymous with Sony’s ‘S’ series. The 12.1MP1 sensor is optimized for 4K with full-pixel readout and to make use of much larger individual pixels for maximum light gathering capabilities and low signal-to-noise ratio. Fewer pixels mean each individual pixel is larger than on other higher pixel-count full-frame sensors. The Alpha 7S III also employs Sony’s industry-leading Exmor R backside-illuminated CMOS image sensor technology for additional low light performance and to double the readout speed. Base ISO is lower than previous ‘S’ models, with a still and movie range from 80 to 102,400, expandable to 40 to 409,600 for stills and 80 to 409,600 for movies. Thanks to the high-sensitivity, Exxmor R sensor and fast processing, the dynamic range for movies is an impressively wide 15+ stops.
High speed for slow motion
The Alpha 7S III offers several in-camera 4K recording modes to match your creative need and desired format. 4K resolution at up to 120 frames per second5 delivers extraordinarily smooth 5x (max.) slow-motion imagery17. In addition to supporting 10-bit 4:2:2 recording, this feature can be used with efficient inter-frame (Long GOP) compression or high-quality intra-frame (All-I) compression. A maximum bit rate of 1200 Mbps (4:2:2 10-bit, H.264, All-I) 5 delivers supreme image quality when directly replaying movies in slow or quick motion in the S&Q mode18 . Up to 10x slow motion with Full HD resolution is possible at 240 fps19 (24p recording), providing fresh perspectives on dynamic sports and other types of action.
Effective heat dissipation for extended recording times
Heat buildup from processing large volumes of data when recording high-bitrate, high-resolution 4K 60p and 120p5 movie can plague other systems, but not the Alpha 7S III. Camera-wide passive heat dissipation is optimized using Sony’s unique Σ (sigma) graphite heatsink to keep the image sensor and image processing engine temperatures within their normal operating range, preventing overheating. This makes it possible to record 4K 60p video continuously for up to an hour7. Even XAVC S-I 4K 60p 10bit 4:2:2 All-I can be recorded for over an hour until battery ends20 and XAVC S-I 4K 120p 10bit 4:2:2 All-I can record over 30 minutes until 2nd media gets full20. Impressive heat management is achieved without sacrificing weather sealing and class leading small size and weight, which has become a hallmark of Sony’s α series E-mount cameras.
10-bit 4:2:2 video reaches new levels of realism
The α7S III can record 10-bit 4:2:2 video internally when using Long GOP or All Intra compression, making it possible to grade for fuller, more natural gradations while generally providing greater editing freedom. Maximum frame rate when recording full-frame 4K is 120p5.
All Intra (for XAVC S-I™ recording)
In addition to the Long GOP inter-frame compression used in previous models, the α7S III supports intra-frame (All-I) recording for the first time in an α body, allowing internal 4K recording at bitrates up to 1200 Mbps5. Intra-frame recording provides extra margin for post production and still image extraction when needed.
Efficient MPEG-H HEVC/H.265 (XAVC HS™) coding
In addition to Sony’s common XAVC S™ (MPEG-4 AVC/H.264) codec found on current models, the α7S III adds XAVC HS format recording21 using the MPEG-H HEVC/H.265 codec for approximately twice the efficiency of XAVC S. You can record more detailed 10-bit 4K video at higher bit rates while keeping data volume within a manageable range. Image quality is better than XAVC S at a comparable bit rate, and equal to XAVC S at lower bit rates. H.265 video can be recorded internally to SDXC or CFexpress Type A memory cards5.
16-bit RAW output for movie
The α7S III is capable of 16-bit RAW output up to 4K 60p to an external device6 via HDMI, to answer the increasing demand for RAW recording for applications that demand the highest quality and post-production flexibility provided by RAW output. Full-frame 4264 x 2408 (16:9 aspect ratio) 16-bit image output is possible, with a choice of frame rates (60p/50p/30p/25p/24p). You can also output RAW video via HDMI while recording XAVC HS 4K, XAVC S 4K, or XAVC S-I 4K to internal card media. Proxy recording is available during RAW output.
Easy S-Log matching with professional camcorders
In many moviemaking workflows the ability to match the color of footage from multiple cameras is essential. The α7S III includes S-Log2 and S-Log3 gamma curves, the latter emphasizing shadow to mid-tone gradations and making it possible to achieve a dynamic range of 15+ stops4. Three color gamut settings are provided: S-Gamut, S-Gamut3, and S-Gamut3. Cine. The S-Gamut3 and S-Gamut3.Cine color gamut settings make it easy to match α7S III footage with that shot on professional camcorders equipped with S-Log3 gamma curve settings. Minimum ISO when shooting S-Log has been reduced to 640, and the 160 to 500 range of expanded ISO can be used as well. Sensitivity can be lowered by as much as 2 stops below the normal ISO range for extra-low-noise recording.
10-bit 4:2:2 HLG (Hybrid Log-Gamma) 22
The α7S III provides HLG22 (Hybrid Log-Gamma) high-dynamic-range picture profile that supports the wide-gamut BT.2020 color space for true-to-life imagery with detailed shadows and highlights, with no need for color grading. Video recorded with this picture profile can be directly played back on an HDR (HLG) compatible Sony TV. 10-bit recordings reproduce finer gradation and detail for extraordinary realism. Gamma can be selected from four presets: HLG (corresponding to IYU-R BT.2100), HLG1, HLG2, and HLG3. These gamma settings provide varying blends of dynamic range and noise performance, generally achieving wider dynamic range that still blends well with images from previous cameras.
Fast Hybrid AF in all modes
The α7S III incorporates Sony’s highly acclaimed Fast Hybrid AF in all modes for both still and movie shooting. The Exmor R sensor and powerful BIONZ XR processing engine make it possible to provide a high-density array of 759 selectable phase-detection AF points23 for high-speed autofocus tracking capability with the precision of 425-point contrast-detection AF to quickly lock onto subjects that move erratically or change speed suddenly and track them with tenacious reliability across 92% (approx.) of the imaging area.
Tenacious Real-time Tracking
AI-based Real-time Tracking with a 30% improvement in subject detection performance thanks to the new BIONZ XR processing engine and a new subject recognition algorithm uses color, pattern (brightness), distance (depth), face and eye information to process spatial information in real time at high speed. The focus area will seamlessly change between face and eye to object tracking according to the condition of the subject.
Real-time Eye AF
Real-time Eye AF employs artificial intelligence to detect and process eye data and track the subject’s eye with unprecedented precision. The superior real-time data processing capability of the new BIONZ XR image processing engine provides a 30% improvement in subject detection performance over previous BIONZ X systems, ensuring accurate, reliable detection even when faces are looking away at extreme angles. Real-time Eye AF is simultaneously initiated when the Touch Tracking feature is used. Sony’s Eye AF easily tracks a subject’s eye in all movie and still shooting modes with human Eye AF available in both modes while animal Eye AF is selectable for stills. In addition to automatic eye selection, it’s possible to manually preselect the subject’s right or left eye.
Intuitive touch AF control
Simply touch the desired subject on the monitor screen to initiate autofocus and tracking on that subject. The powerful real-time processing capabilities of the new BIONZ XR image processing engine, use Real-time AF tracking with advanced AI (artificial intelligence) algorithms to reliably track the selected subject while you concentrate on composition and shooting. This can be huge advantage when using a gimbal or shooting solo. Touch Focus can be used to temporarily engage AF when focusing manually. It is also possible to remotely control Touch Tracking during AF or Touch Focus during manual focus from the Imaging Edge Mobile application (Ver. 7.4 or later ) running on a mobile device.
Advanced features augment manual focus
Autofocus support can be useful even when primarily using manual focus, it is sometimes advantageous to temporarily activate autofocus quickly to acquire focus on a subject before reverting to MF. Focus can automatically be acquired at full AF speed in the same way as when shooting stills when half depressing the shutter button or pressing the AF-ON button. AF can also temporarily be activated via the Touch Focus feature, and Real-time Eye AF can be initiated via a custom button assignment, with AF smoothly locking on at the preset AF Transition Speed.
Advanced AF transition and sensitivity settings
Inherited from Sony’s professional large-format FX9 camcorder, [AF Transition Speed] and [AF Subject Shift Sensitivity] parameters allow more detailed AF control. [AF Transition Speed] provides 7 speed settings, and is ideal for creating rack focus effects to effectively guide the viewers’ eye. [AF Subject Shift Sensitivity] provides 5 sensitivity settings that determine how “sticky” AF will be (how easily AF will switch to another subject or how tenaciously it will stay with the locked-on subject). Both these parameters can be assigned to custom keys for fast access while shooting.
Accurate AF in low light
Updated AF algorithms achieve high AF precision down to light levels as low as EV-6 (ISO 100 equivalent, F2.0 lens, AF-S mode). Focus can be accurately and reliably acquired in light so low that the subject would be difficult to see clearly with the naked eye.
Active Mode24 stabilization for handheld movie shooting
The α7S III features highly effective 5-axis in-body image stabilization with any lens attached. The powerful BIONZ XR image processing engine with advanced real-time processing, utilizes gyro sensors, plus optimized image stabilization algorithms to combine the new high-precision 5-axis stabilization unit with electronic Active Mode24 stabilization for movie shooting in 4K and other formats. This makes handheld shooting as stable as you can get without having to use a gimbal. Using optically stabilized lenses further enhance stability as the camera uses both in-body and optical lens stabilization together as well.
Digital Audio Interface for superior sound
The camera’s Multi Interface Shoe allows for MI shoe microphones and accessories to be attached and features a built-in Digital Audio Interface for superb audio quality. Sony’s optional ECM-B1M Shotgun Microphone and XLR-K3M XLR Adaptor Kit transfers digital audio directly to the MI shoe for exceptionally high sound recording quality. The XLR-K3M XLR Adaptor Kit provides a choice of three recording formats: 48 kHz/16 bit 2 channel, 48 kHz/24 bit 2 channel, and 48 kHz/24 bit 4 channel. Like other MI shoe accessories, no cables or batteries are required, providing unrestrained freedom for α system moviemaking.
New menu with touch functionality
The α7S III has a completely redesigned menu structure making navigation quick and intuitive. Menu tabs are now situated on the left with parameter groups in the middle and individual parameters on the right, making functions easier and quicker to find. The new menu stature is also completely touch-responsive and parameters can be instantly selected by directly touching them on the display panel while lists can be scrolled by touch for unprecedented navigation and operation efficiency. Images to be reviewed can be selected by touch, and pinch-out/pinch-in gestures can be used to enlarge or reduce the selected image. Touch operation while shooting is also available for Touch Focus and Touch Tracking modes in addition to operating setings in the Fn menu. Touch sensitivity can be set to “Standard” or “Sensitive” for maximum control response and reliability.
The highly customizable α7S III is designed for content creator with different needs and styles of shooting. Quickly and easily setup the camera to match your specific needs with 137 Functions assignable to 15 custom keys. Independent function sets can be assigned for stills, movies, and playback. Separate functions can be assigned to the Fn button for the still and movie modes. Tailored to your shooting needs, 42-item can be assigned and arranged in any convenient order to the custom My Menu tab. Custom function assignments can also be made to the front/ rear dials and control wheel, so that frequently used functions are instantly available when needed. Up to 3 sets of frequently used camera modes and settings can be registered for fast, easy recall via the 1, 2, and 3 settings on the mode dial. Up to 10 camera setups can be saved to a memory card, and up to 20 setups can be saved to the Imaging Edge Mobile application (Ver. 7.4 or higher). Saved setups can be transferred to a separate body of the same model number.
Simultaneous display on external HDMI device
The α7S III allows 4K video display on three devices simultaneously for maximum monitoring versatility: the camera monitor, an external HDMI recorder/monitor, and the Imaging Edge Mobile app connected via Wi-Fi. Output to an external monitor is also possible during proxy recording, and with appropriate settings the Real-time Eye AF frame can be displayed on the external device as well. Although active is some configurations, touch functions may be limited or unavailable when using external recorders and monitors.
Independent still and movie settings
Additional enhancements to the new menu structure allow for a subset of the camera’s shooting settings to be linked to the still and movie modes so that appropriate aperture, ISO, and other settings are automatically and instantly recalled when you shoot stills or movies. Multiple settings that will be stored independently for the still and movie modes can be selected via the [Different Set for Still/ Mv] page. The available settings are: Focus Mode, Aperture, Shutter Speed, Exposure Compensation, ISO Sensitivity, Metering Mode, White Balance, and Picture Profile.
Flexible Exposure Mode for movies
Aperture and shutter speed adjustments are frequently required during the moviemaking process, so the α7S III provides a Flexible Exposure Mode that allows quick switching between auto and manual aperture and shutter speed control. This function can be assigned to a custom button for fast on-the-fly auto/manual mode switching.
Custom zoom settings
When using a compatible powered zoom lens, you can select the zoom ring direction to suit your personal preferences and shooting style. It is also possible to assign custom buttons for W (wide: zoom out) and T (tele: zoom in) operation, making it easier to zoom while watching the monitor during movie recording. Eight selectable zoom speeds are provided, and the zoom speeds can be set independently for the camera’s record and standby modes so that a slow zoom speed can be set for recording, while a fast zoom is used when the camera is not recording.
White balance adjustment while recording movies
The ability to change white balance while recording video can be a huge advantage when working with mixed lighting. White balance can be adjusted to match changes in the scene while recording movies, and the adjustments can be made to occur slowly and smoothly without abrupt “jumps” (shockless WB). You can maintain natural-looking white balance when moving from indoor to outdoor situations while shooting a wedding, for example.
Top panel MOVIE button
The MOVIE record button has been moved to the top panel to improve control when shooting from the widest possible range of angles, including the waist-level position often used by moviemakers. The button’s shape, diameter, and height have also been changed to make it more easily recognizable by touch. The REC function can also be assigned to a custom button if required.
More moviemaking aids
Like most other Sony cameras, the α7S III includes features to make moviemaking and even still image capture easier. Zebra function can be activated to assist setting exposure while peaking can be used for accurate manual focus control. Gamma display assist is useful when shooting in any of a number of picture profiles and can be set to OFF, Auto, S-Log2, S-Log3, HLG (BT.2020) and HLG (709). TC/UB (time code and user bit) are also usful when shooting with multile cameras that have to be sync’d for easier post production workflow.
Consistently accurate color reproduction
The high speed and capacity of the new BIONX XR processing engine in the α7S III make it possible to apply more detailed, optimized processing to individual image elements, achieving outstanding color reproduction accuracy. Deep reds and fresh greens are reproduced in all their natural beauty, while skin textures and tones are smooth, realistic, and healthy looking. Consistently accurate colors are easily achieved even under different types of lighting. Another refinement that contributes to improved AWB performance is a new “Visible Light and IR Sensor” on the front of the body. This advanced sensor helps to achieve more precise white balance under artificial lighting, including fluorescent and LED lights that sometimes confuse conventional AWB systems
10-bit HEIF* for smoother gradations in stills
In addition to the existing 14-bit RAW and 8-bit JPEG formats, the α7S III includes the next-generation 10-bit HEIF (High Efficiency Image File) format. Smooth 10-bit gradations provide more realistic reproduction of skies and portrait subjects where subtle, natural gradation is essential. 4:2:2 or 4:2:0 color sampling can be selected from the image quality menu. 4:2:0 is recommended for optimum reproduction in the widest range of display environments, while 4:2:2 offers the highest possible image quality.
HEIF for HDR still images
An HLG (Hybrid Log-Gamma) mode for still images is also provided, supporting the internationally recommended ITU-R BT.2020 color space. HEIF stills shot in this mode can be played back on a compatible Sony HDR (HLG) TV via a direct HDMI connection from the α7S III, delivering true-to-life dynamic range that is difficult to achieve with photographic prints. When viewing HLG images via the camera monitor, the Gamma Display Assist function can be used to display approximately normal gamma and contrast via the monitor and viewfinder.
Use Creative Look to create moods in camera
A selection of 10 new Creative Looks makes it easy to create interesting moods for stills and movies right in the camera. These presets range from Standard, Neutral, Vivid, Black and white to name a few, providing a wide range of variations with different combinations of color, color depth, brightness, contrast, sharpness, and more. Eight customizable parameters including contrast, saturation, shadow and others can be adjusted while viewing the resulting image via the monitor or viewfinder. Customized Creative Looks can be stored as Custom Looks for later recall and use.
Up to 1000 RAW+JPEG at 10fps15 w/ continuous AF/AE
Both the mechanical and electronic shutters allow continuous shooting up to 10fps15 or up to 8fps15 (in live view mode) with continuous AF/AE (autofocus and auto exposure), making it easier to capture the most photogenic moments and expressions of moving subjects.
Furthermore, up to 1000 RAW+JPEG can be captured at 10fps15 in a continuous burst thanks to powerful new BIONZ XR processing engine. Response is excellent, with minimal viewfinder/monitor display lag for easy framing, even with intense subject motion. The smallest aperture that can be used with focal plane phase-detection AF when shooting continuously in AF-C mode is F11, and all E-mount lenses that are compatible with focal plane phase-detection AF are supported.
Flicker from fluorescent lights and other artificial lighting can ruin still images if it and the shutter timing are out of sync. The α7S III automatically detects flicker and adjusts shutter timing to eliminate exposure and color variations, even when shooting continuously at up to 10 fps with AF and AE tracking.
Side-opening vari-angle monitor
A new high-definition 3” (3.0 type) 1.44 million-dot (approx.) touch-sensitive LCD panel with side-opening vari-angle mechanism affords plenty of monitor positioning freedom for high and low viewpoints as well as waist-level, vertical, and selfie positions. Rotating sideways by as much as 176°, up by as much as 180°, and down by as much as 90°, and with ample brightness that provide optimum visibility even in bright outdoor conditions. In addition to supporting the Touch Tracking and Touch Focus functions, the new monitor also provides touch operation for the main and function menus.
World’s first 9.44M8 dot QXGA OLED eye-level viewfinder
A new high-performance 9.44 million-dot (approx.) QXGA viewfinder with high-definition OLED display and refined optics delivers the highest resolution in its class8 with unmatched 0.90x viewfinder magnification, a 41° diagonal field of view (approx. 43° for the entire display area), and a 25mm high eyepoint for clear, low-distortion corner-to-corner viewing. A selectable “Zoom Out” (APS-C equiv.) mode with a 33° FOV and 33mm eyepoint provides a comfortable view for eyeglass wearers. Viewfinder magnification mode can be switched from the “Finder/Monitor” menu, or by using an appropriately assigned custom button. The finder frame rate can be set to 60 or 120 fps for minimum lag and motion blur when shooting moving subjects. It is also resistant to fogging, responsive.
Dual card slots, both compatible with SD and CFexpress Type A
Professional workflows demand two identical card slots for peace-of-mind redundant recording or extended record times with additional media options. Both upper (Slot 1) and lower (Slot 2) media slots support UHS-I and UHS-II SDXC/SDHC cards as well as new high-speed CFexpress Type A cards for higher overall capacity and faster read/write speeds. CFexpress Type A cards are ideally suited to high-speed continuous still shooting as well as 4K 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. The same data can be simultaneously recorded to both cards for backup, or you can choose to separate stills/movies and (JPEG/HEIF)/RAW formats as necessary. There is also a “relay” mode in which still image or movie recording will automatically switch to the second media card when the first media card becomes full.
Full size HDMI Type-A terminal
More secure than micro and mini HDMI cables, the reliable full size HDMI Type-A connector provides the type of connectivity and durability found in professional video equipment and demanded by professionals.
Refined tactile controls
Every element of the α7S III been refined for more comfortable control and easy operation. The shape and position of the rear dial has been revised for easier access and operation, while the exposure compensation dial features a lock button that alternately locks and unlocks to prevent accidental, unwanted changes while shooting. An AF-ON button features optimized tactile feedback and is positioned for easy access and operation. Smooth, intuitive control allows you to concentrate on photography, not the camera. The carefully designed Multi-selector shape and textured surface provide a solid grip and control feel. Response in all eight directions is excellent, for confident control without having to look at the selector.
Long Z-battery life extendable via USB Type C with Power Delivery
The α7S III features an image processing engine, image sensor, and related circuitry that have been refined to optimize power economy in all shooting conditions, further extending the longevity of the high-capacity Z battery. Shooting and recording capacity can be further increased by using the optional VG-C4EM vertical grip with two NP-FZ100 batteries. In addition, the α7S III supports USB PD (Power Delivery) via the Type C® connector, allowing higher power to be supplied from a compatible external source so that recording can be continued for extended periods without draining the internal battery. A battery must be installed in the camera when supplying USB power and may still drain even if USB power is supplied, depending on the adapter used and camera operating conditions.
Keeping it clean
A new anti-dust system increases dust-removal efficiency. The filter in front of the image sensor oscillates at an ultrasonic frequency of 70,000 cycles per second, powered by a revised drive system that effectively removes dust and particles from the filter surface. The anti-dust system is automatically activated at appropriate intervals when the camera is turned off, and can be activated manually via a menu whenever required. Effective cleaning means that lenses can be changed when shooting stills or movies without having to worry about dust that can require tedious retouching during post production.
Improved dust and moisture resistant design12
In response to feedback from working photographers and videographers, the dust and moisture resistance12 of the α7S III is a step above the α7S II thanks to refinements throughout the body. Additional sealing is provided at all body seams as well as the battery compartment cover, and the media slot now has a double sliding cover and lock lever rather than the previous hinged cover to keep water out. A redesigned lens lock button and additional cushioning around the mount are other refinements that contribute to outstanding reliability even in challenging outdoor conditions. Although the dust and moisture resistance and therefore reliability have been significantly improved, the body dimensions remain compact.
Durable magnesium alloy chassis
High body durability has been achieved through the use of a lightweight, high-rigidity magnesium alloy for the top cover, front cover, internal frame, and rear cover. Additionally, the mount is attached by six screws for extra strength and rigidity that can handle heavy super-telephoto lenses.
High-reliability mechanical shutter
A shutter unit with a fast-response coreless motor reduces shutter vibration that can cause blur to a minimum while allowing high-speed continuous shooting at up to 10 frames per second. The shutter mechanism also includes a brake that subdues mechanical front and rear curtain shutter vibration. The shutter is quiet, and has been tested for durability in excess of 500,000 shutter cycles26. Additional vibration reduction is provided by dampers between the shutter unit and chassis, and refined image stabilization algorithms minimize blur when shooting stills.
High transfer speed USB Type-C® (USB 3.2) connector
A USB Type-C® connector that supports fast USB Type C® (SuperSpeed USB 5Gbps (USB 3.2)) data transfer is provided. This makes high-speed PC Remote (tethered) data transfer available for smooth handling of large image files. It also provides USB to high-speed wired LAN connectivity via an optional USB-Ether wired LAN adapter cable that provides direct connectivity to 1000BASE-T Ethernet networks for fast wired FTP data transfers. This provides high-speed data transfer capability in environments where wireless LAN is not available. Movie file transfer is supported.
High-speed wireless LAN standards
Photojournalists and sports shooters need to be able to deliver stills or movies as quickly as possible. The α7S III has been designed and configured to support that need with 5GHz/2.4GHz wireless LAN27 plus new USB to high-speed wired LAN connectivity. Remote shooting and FTP data transfer are also implemented. The benefits of 5 GHz communication include less interference as well as faster, more stable data transfer. The α7S III features revised hardware that takes speed and stability to the next level, and FTP transfer of movie files is supported.
FTP file transfer for stills and movies with ‘save and load’
The α7S III can transfer still image and movie files to a specified remote FTP server via wireless LAN, high-speed wired LAN via an optional USB to Ethernet adapter, or a USB-tethered smartphone connection to a cellular network. Both movie files and still images can be transferred. It is also possible to specify protected files for transfer, single-file transfer via custom key assignment, a file format (JPEG or HEIF/RAW), and more. Up to nine FTP servers can be pre-registered. FTP transfer settings can be saved to and loaded from a memory card separately from the camera settings. This can be useful when connecting multiple cameras of the same model number to an FTP server. All FTP transfer settings are applicable. Up to 10 sets of settings can be saved to one memory card.
The Imaging Edge Mobile application (Ver. 7.4 or later) allows a compatible mobile device to be used as a remote-control terminal and data transfer hub. This app also supports Touch Focus and Touch Tracking during movie recording. Transfer & Tagging add-on app is supported to transfer full-size still image files via Wi-Fi. New high-speed, stable USB tethering capability allows FTP data transfers to be carried out via some smartphones. GPS Location Information Link via Bluetooth allows the connected mobile device to record that data with still images or movies (refer to manual for more details). It is also possible to transfer files from a memory card in the camera via Wi-Fi even if the camera power is OFF.
Low-bit-rate HD proxy files can be recorded28 simultaneously with all recording formats, including XAVC S-I 4K. The smaller proxy video files can be used for offline editing previews prior to final 4K editing, reducing computer load and enabling a faster workflow. 10-bit XAVC HS (1920 x 1080) or 8-bit XAVC S (1280 x 720) proxy file recording can be selected as required.
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