In which ways, and why, are smaller sensors more efficient than larger? Part 2

Started 10 months ago | Discussions thread
Lab D
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Question about DR for various sensor sizes
In reply to Anders W, 10 months ago

Could you briefly explain why dynamic range for smaller sensors is often very close to what it is for larger ones?  For example, IIRC, the E-M1 at most ISOs has DR within 1 EV of D800 (And almost identical at ISO12800).  This goes against the myth that there should be a 2 stop difference between the M43 and FF sensors.  Is this due to pixel size?

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Panasonic Lumix DMC-FZ1000 Nikon D600 Panasonic Lumix DMC-GH4
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