Totally agree on the Fuji colors, I own an X100v and colors are amazing

Of course you can do much in post but my comparison was out of camera results. It’s all very subjective but I was seriously considering dumping everything and going full on Sony as the trend seems to be these days but l just don’t see rumored superiority there and the cost is very high

I don't totally agree with the Sony has better color depth and dynamic range after using both. I bought the A7rii thinking that I would be blown away by the IQ, I was not. Granted it is very good but not head and shoulders above. I did do a little A-B shooting few months ago just for yucks using both the OM1 with 25mm 1.2 pro lens and Sony with the 50mm 1.8 (not an equal lens comparison but best I could do) Both cameras set on full auto (again, not ideal but was in hurry) Attached are the shots. I used the Sony to shoot the OM1 and vice versa. Again, this is not a rigorous test but I like the OM1 colors better.

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Thanks, that is precisely the math that I was looking for.

Thanks to all for the responses. What motivated my interest is convincing myself that forging ahead with the MFT world instead of the Sony is a reasonable compromise. I own both systems however I have a much better herd of pro lenses for the OM-1 and they are much more manageable in size and weight and I'm not getting any younger. Also the cost of venturing further into the Sony world is alarming. And the images I'm getting with the OM are remarkably good and the ergonomics are also superior.

In retrospect I guess it really was a stupid question after all. Putting an APSC lens on a FF camera would require either disabling the pixels that fall outside of the image cast by the lens or disregarding their data when processing the image.

OK, forgot exact MP of the OM-1 but that's not critical to the question which I evidently answered myself.

I thought the question was clear, no need of lesson on sensor size. Simply put does a FF sensor used in crop mode utilize the part of the sensor roughly equal to that of a dedicated crop sensor? If so then the additional MPs are only used in FF mode.

I realize that the MFT and APS-C are not equal in size but both are in the "crop sensor" category and my question is generic to FF vs crop pixel density..

I have an OM-1 and a Sony aR7ii. Looking at the option on the Sony to shoot at APS-C produces an image of approximately 18 MP while the OM-1 produces a similar perspective image of approximately 24 MP. So my question would be does the full frame image from the Sony at 42 MP have an inherent IQ advantage or am I just using those extra MPs to produce a larger image? Another way of looking at it would be does the part of the FF sensor used for an APS-C shot have roughly the same pixel density of the MFT 24 MP sensor?

I hope that this is not a stupid question.

I’m interested, please PM me with photos and payment information

Wow, did not know that. They are definitely in NYC now

Saw many of these guys around in NYC last week. Looks like some kind of moth.

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Good plan, I got rich by selling off my stocks when they went down then waiting for them to go back up then buying them back

My bad, just noticed that your camera is the a7iii and I’m looking for an a7riii, Sony should have used a less confusing name scheme