R.G. wrote:
If the camera has to do any kind of in-camera processing for whatever reason, the output file won't be raw, it'll be jpg, even if it's set to output raw in normal circumstances. If you inadvertently switched to one of the camera's Scene or Effects modes or in-camera HDR or some such, the output would be jpg.
In my case, no. I never use those scene modes. I caught the problem almost immediately and discovered that the camera by itself switched from RAW to jpeg. I figured the camera had mind of it's own and since I have never shot in jpeg, it thought it would show me it could go into amateur mode.