Sony Alpha a7S III arrives 5 years later, and Does Not Disappoint


4K 120p Video, No Recording Limits!

After much anticipation, delays, and rumors, the wait for the ultimate filmmaker camera ended yesterday with Sony Electronic’s announcement of the a7S III on Tuesday, July 28, 2020, priced at $3,498.00 USD.

Sony delivered on their commitment to creating a well-rounded video and photo-capable full-frame mirrorless camera in the a7S III.

Highlights of Sony’s new a7S III include 4K 120fps internal 4:2:2 10-bit video, 16-bit 4K60p raw output, a 12.1MP backside illuminated sensor, 15+ stops of dynamic range, 3X reduced rolling shutter, and a brand new BIONZ XR processor.



The Alpha 7S III is the ultimate representation of Sony’s passion to solve our customers’ pain points. 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.
— Neal Manowitz, Deputy President for Imaging Products and Solutions Americas at Sony Electronics.


The new full-frame 12.1-megapixel back-illuminated Exmor R CMOS image sensor reduces rolling shutter by up to 3X.

The ISO range for still and movies modes range from 80 to 102,400, expandable to 40 to 409,600 for stills and 80 to 409,600 for videos.

For the first time in a S-series camera, focal plane phase-detection AF has been added for more responsive auto focus.


Brand New BIONZ XR Processor

According to Sony, the new BIONZ XR processor in the a7S III provides 8x more processing power for video shooters, and full-frame readout without pixel binning in every recording mode, including 4K 120p.

Photographers will benefit from the BIONZ XR’s high-speed features including real-time AF tracking and up to 10fps continuous shooting for more than 1,000 consecutive frames.

Sony hinted at using their new BIONZ XR technology in future generations of Alpha cameras.

The new Alpha 7S III will become the ultimate creative tool for video professionals and all types of hybrid still/video shooters.
— Sony Alpha Universe



Low-Light Functionality

The Alpha a7S III has extended ISO range of 409600, ideal for low-light situations, like shooting outdoors at night.

Photo Courtesy of: Renan Ozturk

When high ISO’s are combined with 5-axis sensor-shift image stabilization, the result is sharp photos at slow shutter speeds and smooth hand-held video.



Professional Audio Inputs

The Multi Interface (MI) Shoe on the Alpha a7S III now features a digital audio interface for, high-fidelity audio recordings with Sony compatible microphones.

When used with Sony’s XLR-K3M XLR Adaptor Kit, the Alpha a7S III can record 4-channel 24-bit digital audio through the MI shoe, and provides 2 XLR inputs with phantom power and line/mic level adjustments.

Along the side of the XLR-K3M adapter are knobs to easily adjust gain levels on the mic inputs without having to fiddle with the menu.


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Ergonomically, the Alpha a7S III has been updated to better suit filmmakers and professionals alike.

  • Full-sized HDMI port

  • USB-C port

  • Articulating LCD screen

  • New menu layout

  • 9.44 million pixel OLED EVF

  • Two UHS-II SD/CFexpress card type-A slots.


The a7S III will be available in September 2020 for a MSRP of $3,499.99 USD and $4,799.99 CAD.

For detailed product information, visit:

Alpha Universe, (2020, July 28). Sony Announces The α7S III: Redefining The Possibilities For Creatives. Stories: Sony Alpha Universe.

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