Even the regular lossless RAW setting can sometimes be "not quite RAW" when the camera dynamically lowers the bitrate it captures at. My camera does anywhere be

Even the regular lossless RAW setting can sometimes be "not quite RAW" when the camera dynamically lowers the bitrate it captures at. My camera does anywhere between 12 bits and 14 bits RAW depending on the shooting settings. Many newer cameras have baked-in NR that cannot be disabled (e.g. Canon R5), even on the lossless RAW setting