I know how it works and what it doI'm sorry, but I don't think you fully understand what a raw editor is doing. Watch the video I posted above where the presenter talks about why all raw editors process images slightly differently.
This is one of the main reasons why you hear so many people gripe about switching editors. They have learned how to get their current editor to yield the results they want, or they have become accustomed to what their current editor give them by default. After dinner I'll take a look at some settings, and see if anything jumps out at me.
You should consider yourself lucky then, because ever editor I have ever used has processed raw images differently. Some times the differences where subtle, other times glaring.
Video above talk about result, the noticable result in different tones/colors etcetera...not big difference in exposure.
Have never heard anyone that have had gripe switching RAW conveter due to big difference in exposure like one stop difference in default picture compared to how the picture where exposed in camera.
I would understand if ON1 always gave one stop overexposed default picture compared for Photoshop but that is not the case.
No i dont have same flexibility with above file in ON1...its one stop overexposed from default compared to Photoshop...if i just bring down the exposure all five stops in both ON1 and Photoshop i get a picture thats one stop darker in Photoshop...sure i can get same result in ON1 but not by just bring down the exposure slider.
I might have been lucky all years before but i have never seen this big of a difference in exposure between diffrent RAW converters default images when it comes to the exposure ...nor have i seen any test that have shown this. There can be fairly subtle difference in exposure/overall brightness between the default pictures, but not a full stop of exposure difference between the default picures and inconsistent results.
Histogram from devloped default picture in Photoshop matches how i have exposed in camera and so dose Capture one and DXO, only subtle difference in overall brightness, colors etcetera. ON1 is not even close when it comes to that.