Also, to those saying that the APSC D7200 has the same dynamic range (or even better?) than the D750, that's simply not true. I don't know what methodology DxO uses, but I've played with both the D750 and D7100. I can definitely pull up less noisy shadows and pull down highlights with the Full-Frame than with any crop sensor. I've done the same with Crop sensors, but the shadows were too noisy to use. To me, practical dynamic range is better. Is it hundreds of dollars better? That's up to your skill set and wallet to decide. Some people train themselves to take the perfect exposure for any given setting, so don't need to use as much latitude. But its always nice to have options
I don't know either what methodology DxO uses and I don't have a D750, but I can show you this:
This image was taken 5 stops underexposed @ISO 100 with the D7200 (exif says D5300 as I took the image when ACR could not develop D7200 files yet and I had to use the exif trick):
I then pushed it 5 stops (equivalent of ISO 3200) in the latest ACR that is compatible with the D7200 and got this, see original for 100%:
Seems pretty amazing to me while there's no unusable noise in the shadows.
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Philip