ISO = 50

Sony A7R IV – ISO Testing in Lab

I recently received the Sony A7R IV courtesy of BHPHotoVideo, and I wanted to share with you the ISO testing I just completed in the Lab for those interested.

The Sony A7R IV features a 61MP Full-Frame Exmor R BSI CMOS Sensor, and with that much resolution I would expect there will be some significant noise as the ISO goes beyond 6400.

So let’s find out shall we…

For this A7R IV ISO Testing I used the Sigma 105mm f/1.8 DG Lens at f/9 on a sturdy tripod with the 5-second self timer and of course raw quality.

Sony A7R IV w/ Sigma 105mm f/1.4 DG Lens
Sony A7R IV w/ Sigma 105mm f/1.4 DG Lens

Sony A7R IV – ISO Testing

Please be sure to click on the photos for a ~1500px view of the 100% Crops.

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Closing Remarks

As you can see based off these ISO Testing photos, the Sony A7R IV performs really well I would say overall considering the ultra high resolution 61MP Full-Frame Exmor R BSI CMOS Sensor. All the way to ISO 6400 is pretty darn clean, but at that point you really start to see the noise coming in when viewing at 100% in particular.

Please let me know what you think and if you have any questions, be sure to ask away in the comments area below ๐Ÿ˜‰ Jay

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