Photons to Photos: Sony a7III Final Results and They Are Somewhat Shocking

I am not a big fan of some of the other sponsored sites out there because many of them get big money to promote cameras and even though I run sites with addict in the title I do not play with the numbers to make companies happy and I give my honest opinion on cameras. That being said I believe that Photons to Photos is the single best source for non-bias no bs sensor measurements on the web outside of maybe The Last Word run by Jim Kasson, but he doesn’t keep a comparative database.

Now that you know where Photons to Photos stands I am kind of shocked that the a7III seems to be slightly ahead of the a7RIII throughout much of the ISO range. Maybe Sony should have put a new sensor in the Sony a7RIII, because I am sure some owners will not be happy with the Sony a7III performing slightly above the a7RIII. The read noise win for the a7III isn’t surprising and it probably played a factor in the cameras great dynamic range performance throughout the ISO range, but still the Sony a7RIII seems to only have a resolution advantage now and a few better features like the higher resolution viewfinder. You can manipulate the dynamic range results here and the read noise results here.

Camera Model Maximum
Low Light
Low Light
Sony ILCE-7M3 11.60 6420 11.00
Sony ILCE-7RM3 11.65 5787 10.85
Sony ILCE-7RM2 11.16 3863 10.27

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Sony a7III: B&H Photo / Amazon / Adorama

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