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5D Mark IV ISO comparison to 7D

spiceman
Contributor

I'm wanting to compare the sensors between the 5DM4 and 7d, as far as noise. I know the 5DM4 is better, but practically, how much? If I'm shooting the 5D at ISO 800, what would would get me similar results with the 7D? ISO 400? ISO200? Is there a source for this info? If not, opinions are welcomed. 

4 REPLIES 4

Hazel_T
Product Expert
Product Expert

Hi spiceman,

Through Canon we do not have an ISO comparison between the sensors in those two cameras. In general the EOS 5D Mark IV would perform better in low light since it has a larger full frame sensor with larger photocytes. That allows that model to collect more light in darker conditions and at higher ISOs, so the noise will generally be less with a full frame camera. Since the EOS 7D has a smaller crop sensor the photocytes are also smaller and it can cause more digital noise in higher ISO or lower light conditions.

rs-eos
Elite
Elite

I don't have data on the 5D IV vs 7D.  However, I did estimate close to two stops of better ISO performance when moving from a Rebel T4i to EOS 6D.  And a very small improvement in ISO performance when moving to the EOS 5D IV.

I did some fairly recent tests of ISO noise levels for my 5D IV you can find HERE.

If someone had done something similar on the EOS 7D, you could then try to compare the two.  Ideally though, would be best of both cameras were used to capture the same image, but you should get a general idea.

--
Ricky

Camera: EOS 5D IV, EF 50mm f/1.2L, EF 135mm f/2L
Lighting: Profoto Lights & Modifiers

Thanks, Ricky, for taking the time to reply. It's helpful.

msmith66
Apprentice

You can go to photonstophotos.net and see a ton of data on different cameras and compare them directly. Below is a comparison for Input referred read noise for both those cameras.  The 5D is a hands down winner.  More importantly,  take a look at the dynamic range chart then add in a 700D for comparison.  You'd be just as well off buying a T5i. 

msmith66_0-1709439333666.png

 

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