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Sony a7S III Mirrorless Digital Camera

Sony a7S III Mirrorless Digital Camera

Bonus Peak Design Slide Strap
Special Price $5,395.00 Regular Price $5,698.00
  • 759 Phase-detect AF points
  • 425 Contrast-detect AF points
  • Improved AI-based Real-time Eye autofocus in stills and movie mode
  • Standard ISO range 80-102400
  • 5.5 steps (CIPA) image stabilisation with new Active Mode stabilisation
  • Digital Audio Interface
  • 120fps 4K and 240fps FHD movie recording
  • 16-bit RAW external recording
  • 15 stops dynamic range
  • Internal intra-frame recording at 10-bit
  • Dual function Media card slots
  • CFexpress Type A with 1000mbps speed
  • Improved weather sealing
  • Improved heat dissipation
  • Simultaneously display video across three
  • RAW, JPEG & HEIF photo formats
  • Bluetooth 5.0
  • 2.4 and 5Ghz Wif
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Essential Accessories

Everything Is New

Five years in the making, the Alpha 7S III redefines the “S” series lineup. Working closely with professional cinematographers and videographers across the world, the Alpha 7S III aims to meet the uncompromising demands for working professionals with incomparable reliability, paired with an entirely new way of capturing movies and stills

Exmor R Image Sensor

The Alpha 7S III has been built with an entirely new image sensor expanded for a new stills and movie shooting experience. The full-frame 12.1-megapixel back-illuminated CMOS image sensor delivers high sensitivity, low noise, a colour filter array that boosts colour reproduction accuracy, and an increased dynamic range for both stills and movies.

BIONZ XR Processor

The new image processing engine BIONZ XRTM is aimed at the future, augmenting the high sensitivity and wide dynamic range that have already become hallmarks of the “S” series. Utilising this incredible processing ability allows for 10- bit 4:2:2 video recording at 4K resolution 120 frames/second and 240 frames/second in FHD, while taking full advantage of Sony’s autofocus and autoexposure.

Real-Time Tracking Autofocus

For a first in an “S” series, the Alpha 7S III supports focal plane phase-detection. This enables a substantial increase in stability and precision when using autofocus, and importantly introduces the incredible abilities of Real-time Tracking Autofocus for both stills and movie mode. Object, and face and eye tracking is now available for both humans and animals.

15 Stops Dynamic Range In Movie Mode

The Alpha 7S III, thanks to the improvements for both image sensor and image processor, now has the ability to record 15 stops of dynamic range in movie mode when shooting S-Log3 Gamma. 15 stops delivers significantly smoother gradation from highlights to shadows within a scene, retaining greater details and reproducing fine changes in texture.

RGB Chroma Subsampling

Powered by the BIONZ XR image processor, the Alpha 7S III offers chroma sub-sampling at the highest bit-depth seen on an α camera. 4:2:2 colour sampling collects fine colour details and at 10-bit delivers extraordinary realism to every scene. Thanks to the improved colour sampling, the Alpha 7S III supports the current industry standard HLG formats of BT.2020 and BT.2100 to deliver instant HDR content.

Video Recording Format - All-Intra

For the first time in an α series body, the Alpha 7S III introduces the XAVC S-I recording format for video which supports internal intra-frame (All-I) recording, allowing internal 4K recording at bit-rates up to 600 Mbps. The ability to capture this incredible amount of video data unlocks a wealth of post-production benefits while editing and colour grading the footage.

16-bit RAW Recording

RAW video recording has become an increasing demand for ILC cameras. Supported by the HDMI 2.0 Type A, the Alpha 7S III can output RAW footage at an incredible 16-bit colour depth. 16-bit RAW footage offers greater colour and tonal reproduction in post-production when colour grading the footage. Such rich detail allows for unmatched artistic expression.

CFexpress Type A Media Slots

The upper (Slot 1) and lower (Slot 2) media slots both support UHS-I and UHS-II SDXC/SDHC cards as well as the all new 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 of still image and movie data.

More Information
Brand Sony
Megapixels 12 Megapixels
Lens Mount Sony FE
Sensor Size Full-Frame



35mm full frame (35.6 x 23.8mm), Exmor R CMOS sensor

No. of pixels (effective)

Approx. 12.1 megapixels

No. pixels (total)

Approx. 12.9 megapixels

Image Stabilisation

Image Sensor-Shift mechanism with 5-axis compensation (Compensation depends on lens specifications) with Active Mode: [Still images] On / Off, [Movie] Active / Standard / Off



JPEG (DCF Ver. 2.0, Exif Ver. 2.32, MPF Baseline compliant), HEIF (MPEG-A MIAF compliant), RAW (Sony ARW 4.0 format compliant)

Image Quality

RAW (Compressed / Uncompressed), JPEG (Extra fine / Fine / Standard), HEIF (4:2:0 / 4:2:2) (Extra fine / Fine / Standard), RAW & JPEG, RAW & HEIF

Colour Space

sRGB standard (with sYCC gamut) and Adobe RGB standard compatible with TRILUMINOS Color. BT.2020 standard

Creative Look

ST, PT, NT, VV, VV2, FL, IN, SH, BW, SE, Custom Look (1-6)


Recording Format


Recording Settings (PAL)

XAVC S-I 4K: 3840 x 2160 [4:2:2 10bit (50p/500Mbps, 25p/250Mbps)] | XAVC S-I HD: 1920x1080 [4:2:2 10bit (50p/185Mbps, 25p/93Mbps)] | XAVC HS 4K: 3840x2160 [4:2:0 10bit (100p/200Mbps, 50p/150Mbps/75Mbps/45Mbps), 4:2:2 10bit (100p/280Mbps, 50p/200Mbps/100Mbps)] | XAVC S 4K: 3840x2160 [4:2:2 10bit (100p/280Mbps, 50p/200Mbps, 25p/140Mbps)], [4:2:0 8bit (100p/200Mbps, 50p/150Mbps, 25p/100Mbps/60Mbps)] | XAVC S HD: 1920x1080 [4:2:2 10bit (50p/50Mbps, 25p/50Mbps), 4:2:0 8bit (100p/100Mbps/60Mbps, 50p/50Mbps/25Mbps, 25p/50Mbps/16Mbps)]

Slow & Quick Format


(S&Q) Frame Rate (PAL)

1fps, 2fps, 3fps, 6fps, 12fps, 25fps, 50fps, 100fps, 200fps

Colour Space

BT.2020 standard compatible with TRILUMINOS Color

Picture Profile

Yes (Off / PP1-PP10) Parameters: Black level, Gamma (Movie, Still, Cine1-4, ITU709, ITU709 [800%], S-Log2, S-Log3, HLG, HLG1-3), Black Gamma, Knee, Color Mode, Saturation, Color Phase, Color Depth, Detail, Copy, Reset


Audio Recording Format

LPCM 2ch(48kHz 16bit), LPCM 2ch(48kHz 24bit) , LPCM 4ch(48kHz 24bit) , MPEG-4 AAC-LC 2ch


Built-in, stereo


Built-in, monaural



2x Multi slot: CFexpress Type A memory card, SDXC memory card (UHS-I/II compliant), SDHC memory card (UHS-I/II compliant), SD memory card


WB Options

Auto / Daylight / Shade / Cloudy / Incandescent / Fluorescent / Flash / Underwater / Color Temperature (2500 to 9900K) & color filter / Custom



On-sensor Phase Detect + Contrast Detect

Focus Point

759 Phase-Detect + 425 Contrast Detect

AF Modes

AF-A (Automatic AF), AF-S (Single-shot AF), AF-C (Continuous AF), DMF (Direct Manual Focus), Manual Focus

Focus Area

Wide / Zone / Center / Flexible Spot / Expanded Flexible Spot / Tracking

Eye AF

[Still images] Human (Right/Left Eye Select) / Animal, [Movie] Human (Right/Left Eye Select)




AUTO(iAuto), Programmed AE (P), Aperture priority (A), Shutter-speed priority (S), Manual (M), Movie (Programmed AE (P) / Aperture priority (A) / Shutter-speed priority (S) / Manual (M) / Flexible Exp. Mode), Slow & Quick Motion (Programmed AE (P) / Aperture priority (A) / Shutter-speed priority (S) / Manual (M) / Flexible Exp. Mode)

ISO Range

Still images: ISO 80-102400 (ISO numbers up from ISO 40 to ISO 409600 can be set as expanded ISO range.), AUTO (ISO 80-12800, selectable lower limit and upper limit), Movies: ISO 80-102400 equivalent (ISO numbers up to ISO 409600 can be set as expanded ISO range.), AUTO (ISO 80-12800, selectable lower limit and upper limit)



1.6 cm (0.64 type) electronic viewfinder (Quad-XGA OLED)


9,437,184 dots

Field Coverage


Frame Rate (PAL)

STD 50fps / HI 100fps



7.5cm (3.0-type) type TFT Vari-angle touch LCD screen


1,440,000 dots



Adjustable Angle

Opening Angle:Approx. 176 deg., Rotation Angle:Approx. 270 deg.



Mechanical shutter/Electronic shutter

Shutter Speed Range

Still images: 1/8000 to 30 sec, Bulb, Movies: 1/8000 to 1/4 (1/3 steps), up to 1/60 in AUTO mode (up to 1/30 in Auto slow shutter mode)

Flash Sync Speed


Electronic Front Curtain

Yes (ON/OFF)

Silent Shutter

Yes (ON/OFF)


Single Shooting, Continuous shooting (Hi+/Hi/Mid/Lo selectable), Self-timer, Self-timer (Cont.), Bracket: Single, Bracket: Cont., White Balance bracket, DRO bracket


Video Output

HDMI connector (Type-A), 3840 x 2160 (60p / 50p / 30p / 25p / 24p) / 1920 x 1080 (60p / 50p / 24p) / 1920 x 1080 (60i / 50i), YCbCr 4:2:2 10bit / RGB 8bit | 4264 x 2408 (60p / 50p / 30p / 25p / 24p) Raw 16bit


Multi Interface Shoe


Yes (Wi-Fi Compatible, IEEE 802.11a/b/g/n/ac (2.4GHz band/5GHz band))


Yes (NFC forum Type 3 Tag compatible)


Yes (Bluetooth Standard Ver. 5.0 (2.4GHz band))


Yes (SuperSpeed USB 5Gbps (USB 3.2) compatible) (Available with USB Type-C Terminal. USB Power Delivery compatible)


Chassis Material

Magnesium Alloy

Dust & Weather Resist.



Approx. 128.9mm x 96.9mm x 80.8mm, Approx. 128.9mm x 96.9mm x 69.7mm (From grip to monitor)


Approx. 699 g


Battery Model


Battery Life

Approx. 510 shots (Viewfinder) / approx. 600 shots (LCD monitor) (CIPA standard), Approx. 80 min. (Viewfinder) / Approx. 95 min. (LCD monitor)(CIPA standard)

What's in the box

Rechargeable Battery NP-FZ100, Battery Charger BC-QZ1, Power cord, Cable Protector, Shoulder strap, Body cap, Accessory shoe cap, Eyepiece cup, USB-A to USB-C cable (USB 3.2)

In Depth Sony Alpha a7S III Mirrorless Digital Camera
What People are Saying
What's in the box

Rechargeable Battery NP-FZ100, Battery Charger BC-QZ1, Power cord, Cable Protector, Shoulder strap, Body cap, Accessory shoe cap, Eyepiece cup, USB-A to USB-C cable (USB 3.2)


Manufacturer Warranty

This product comes with a

24 month Austalian warranty

from Sony Australia