A7s ii, exposure difference in picture profile setting

[polalpha]

I'm new to S-logs and sony A7 camera and just got a new A7s2.

I'm experimenting the S-Log3 which I plan to shoot videos. I just accidentally found that when shoot raw still image, the exposures are different in different picture profile settings using S-Log3. Below 2 images were shot at identical exposure settings, shutter speed, aperture, and iso, but different picture profiles. I see the S-log3 is heavily underexposed. Does anyone can explain why is this? Thanks.

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[Golem]

When the response curve is modified you can

shoot what appear to be under exposures yet

all necessary data for a "normal" rendering is

captured by the modified response. Acoarst,

you hasta process it to see it.