That's our chart, so thanks for the kind words.
I hope I can elaborate.
In the effort to keep the "overview" simple enough to be useful to someone at the start of their search for a good tech camera kit we did simplify/omit some information.
As you noted IQ140/IQ160/Credo40/Credo60 are all 6 micron backs and as such, if you put any of those sensors in a particular physical position relative to the lens they would react the same. Or put differently a Credo 40 has a lot more in common with a Credo 60 than a DM33 (33mp) or P45+ (39mp), as regards it's reaction to wide angle tech camera lenses.
But reading the chart as-is was deemed acceptable in so far as the IQ140 / Credo 40 sensor is smaller than the IQ160/IQ260/Credo60 and therefore the same amount of movement (e.g. 10mm shift) will result in less intra-frame color/fall-off issues.
I hope this clears it up, or, at the least, does not make it even more confusing.
---
As a side note to all: would it be better for us to switch our column headers to read "5.2 µm, 6.0 µm, >6.8µm" instead of "<40mp / 60mp / 80mp"? Our thought in using the resolutions was that someone just starting their search for tech camera kits would be intimidated/confused by the use of micron size to signify specific backs. Sometimes by trying to be too complete/accurate you can end up obfuscating the most important message. In this case the core message was to make sure clients were aware of, and consider in their search, that some lenses have limitations or are entirely incompatible with specific backs, especially the 80mp ones.