Sony A7S III review | Live Science

Sony A7S III review | Live Science


Key specifications

Type: Mirrorless
Sensor: 12.1MP full frame CMOS
Lens mount: Sony E
ISO range: 80-102,400 (exp 40-409,600)
Viewfinder resolution: 9.44m dots
Video capability: 4K 120p / 1080p 240p
Weight: 1.35lbs
Size: 5.07 x 3.78 x 2.74 inches
Memory card type: 2x CFexpress A / SD

Sony’s Alpha 7 series cameras are split into three categories: the all-purpose A7, the resolution-focused A7R, and the video-oriented A7S. And it’s in the latest iteration of the latter, the Sony A7S III, that we find a camera that may be designed for ultimate video performance, but also offers virtually unparalleled stills performance when it comes to shooting in low light conditions. 

While the A7S III was designed as a specialist video device, a byproduct of its ingenious design also makes it one of the best astrophotography cameras (opens in new tab) on the market. That’s thanks to its low-resolution, back-side illuminated, 12.1MP image sensor and outstanding 80-102,400 ISO sensitivity (which is expandable to 40-409,600). 


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