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.
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