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2017.11.28

Hot on the heels of several cameras beating DxOMark records, the new Sony Alpha A7R III ties for third place with a score of 100, matching the recent Nikon D850. This makes these cameras the highest ranked full-frame mirrorless and full-frame DSLR, scoring just under two Medium Format Digital Cameras, one mirrorless and one DSLR. This first tells us that the mirror just has no impact on image quality and sensor size is still king.

Sony Alpha A7R III

The Sony A7R III is a 42 megapixels Full-Frame mirrorless using a BSI-CMOS with a built-in 399-Point Phase-Detect AF system and mounted on a 5-axis image-stabilization system effective to 5.5 stops over hand-holding. It is capable of shooting continuously at 10 FPS and recording 4K Ultra-HD video. The A7R III is equipped with a class-leading 0.50″ EVF 3.6 Megapixels with 0.78X magnification, 100% coverage and an Eye-Start sensor, plus a 3″ LCD with 1.4 megapixels.

This mirrorless ranks third highest camera at DxOMark with a score of 100 which breaks down into 26 bits-per-pixel of color-depth, 14.7 EV dynamic-range and a whopping 3523 Low-Light points. While the first two numbers are close to its peers, the low-light score is simply stellar, beating by a significant margin the D850 which scores a respectable 2660 points.  This puts it in forth place just being the Sony A7S which has much larger pixels with 12 megapixels on a full-frame sensor. Cameras scoring better in low-light are unsurprisingly Medium Format models which have larger sensors.

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