This mirrorless full-frame takes its predecessor's superb resolution and throws in 10fps shooting too – amazing! OF course, it was bound to happen. We knew Sony had the technology to combine high resolution with high-frame rates from the moment it launched the Alpha 99 II, and then Nikon announced...

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After finishing the Sony a9 review, I stated "As I go back to my Sony a7R II to continue work on the Sony lens reviews , I'm left feeling in want." I was still happy with the s7R II's resolution and dynamic range, but I definitely wanted some of the a9's new and improved features.

Lens Mount: Sony E-MountCamera Format: Full-FramePixels: Actual: 43.6 Megapixel, Effective: 42.4 MegapixelMax Resolution: 7952 x 5304Aspect Ratio: 3:2, 16:9Sensor Type / Size: CMOS, 35.9 x 24 mmFile Formats: Still Images: JPEG, RAW; Movies: AVCHD Ver.

The A7R III is so good, so powerful and so versatile. Its troubling body-lens size mismatch, and 530/650-shot battery life, which is good for mirrorless but poor next to a pro DSLR, means it just loses half a star from an otherwise perfect score.

Superb resolution; 10fps continuous shooting; 4K video options

Body/lens size mismatch; Pro lenses are expensive; Battery life still not at DSLR level

Editors' note: Updated Oct. 27, 2017, with some verdicts and photo samples based on a few hours shooting with the A7R III.

With a better autofocus system, Sony's follow up to its A7R II flagship full-frame mirrorless keeps the stellar photo and video quality but makes it easier to get.

Sony is the name of quality. People trust its products because they have shown to be reliable each and every time. And this one is no exception. Satisfied customers all around for the performance of this one.

Great 4K HDR video recording with editing and viewing, Great low light results with an ISO range from 100 to 32000, Ultra-fast autofocus with up to 10fps with continuous tracking, 42.4 MP sensor for amazing photos with great clarity and detail, Fast image processing with a BIONZ X processing engine...

No touch capture, Defective sensor in some products