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 – ISO Testing

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

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RECOMMENDED ACCESSORIES:

• SD Card Reader: https://bhpho.to/2GciHfm
• Memory Cards: https://bhpho.to/2GNn7sT
• A7RIV Battery: https://bhpho.to/2WES7UJ
• Sony VG-C4EM Vertical Grip: https://bhpho.to/30qt74E
• Small Rig Camera Cage: https://bhpho.to/32CUoDS
• Quality Camera Straps: https://bhpho.to/2tNNUTk
• Shoulder Bags: https://bhpho.to/37g0b1p
• Backpack Bags: https://bhpho.to/2EPdOZ5
• Tripods: https://bhpho.to/2ZmvZi0
• Stabilization Gimbal: https://bhpho.to/3975dih
• Rode On-Camera Microphones: https://bhpho.to/2ENsjMO
• ND Lens Filters (select size): https://bhpho.to/30GHS36
• Polarizing Lens Filters (select size): https://bhpho.to/30OALG4
• UV Protective Lens Filters (select size): https://bhpho.to/2GbAWSo

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 😉 Jay

• Sony A7R IV from $3198 US @ BHPhotoVideo