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Sony's alpha 7S Mark III is the third iteration in the most video-focused of the company's a7 series of full frame cameras. It's essentially a native 4K camera with impressive video specs and a revised user interface. It can capture UHD 4K footage at up to 120p in 10-bit 4:2:2 encoding and promises 16-bit Raw video output.
- 12MP BSI CMOS sensor
- Bionz XR processor
- On-sensor phase detection
- ISO 80-102,400 (expandable to 40-409,600)
- 9.44M dot EVF with 0.91x magnification
- 4K video at up to 120p, 60p for 'at least an hour'
- 16-bit Raw video output at up to 60p
- 10-bit 4:2:2 internal capture (in codecs including H.265 and All-I H.264)
- Fully articulating LCD
- 5-axis in-body stabilization with Steady shot active mode
- Twin card slots that each accept either SD or CFexpress Type A
The Sony a7S III will sell for around $3500. This is a $500 premium over 2015's Mark II but still $500 lower than the launch price of the Panasonic Lumix DC-S1H, which is arguably its closest competitor.
What's new and how it compares
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The a7S III offers a series of new features such as 10-bit internal video and Raw video output but the changes go much deeper. |
Body, controls and handling
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Alongside a host of ergonomic improvements, which includes greater use of the touchscreen, Sony has significantly redesigned its menu system. |
Initial impressions
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The a7S III looks to be a workhorse camera for amateur and independent production teams, but it also offers insights into what future alpha cameras will be like. |
Sample gallery
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We've prepared a sample gallery of images using a near-final a7S III. |
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