>>I didn't realize that the selection of small, medium or >large >>size applied to the raw files as well as to the jpgs. > >It doesn't. The Large, Medium and Small option applies when >shooting JPEG's. > >The only options with NEF are compression and 12- or 14-bit >recording. The smallest D800 NEF files will be from 12-bit >Compressed NEF, at around 13.2MB.
The smallest files will be 12-bit Compressed NEF, at around 13.2MB with a DX lens when ON is selected for Auto DX crop If you are using FX lenses when On is selected for Auto DX crop smallest file size is 29 MB.