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In the overview it still looks quite usable, but the 100% view shows the severe noise: Ser­val cat, Masai Mara, Kenya, 400mm, f/2.8, 1/125, ISO 12800 + 2 f-stops, 100% cropĪt this point I have passed the image to the PureRAW2 plu­g­in that I have just installed: I ini­tial­ly processed the image in Light­room, light­ened it by 2 stops, and got the fol­low­ing result: Ser­val cat, Masai Mara, Kenya, 400mm, f/2.8, 1/125, ISO 12800 + 2 f-stops With this set­ting the image was still clear­ly under­ex­posed, so I had to light­en it up by 2 f-stops in Light­room so that the expo­sure is equiv­a­lent to a val­ue of ISO 51200! I took the fol­low­ing pic­ture at ISO 12800 with my Canon EOS R5 and the 400mm f/2.8L IS II USM. The final result looks like this in the full screen view: Ser­val cat, Masai Mara, Kenya, 400mm, f/2.8, 1/125, ISO 12800, processed in DxO Pur­eRAW 2 The result is ini­tial­ly a bit dark­er than the Light­room image and shows a slight magen­ta col­or cast, but both can be eas­i­ly cor­rect­ed in Light­room. You can see how well the Deep­PRIME algo­rithm works when view­ing the 100% view: Ser­val cat, Masai Mara, Kenya, 400mm, f/2.8, 1/125, ISO 12800. Of course, this is not a per­fect pho­to, but when the pic­ture was tak­en, it was so dark that we could hard­ly see the ser­val with naked eyes. I show it here as an absolute extreme example. The 100% view shown above rough­ly cor­re­sponds to what you see when you stand with your nose direct­ly in front of a large-for­mat print­out.

Since the image looks so very flat, here’s anoth­er direct and prob­a­bly more prac­ti­cal com­par­i­son at 33% mag­ni­fi­ca­tion. On the left you see the DxO Pur­eRAW 2 ver­sion on the right is the result with Lightroom.