CR2: JPGS too small
To resolve:
Option 1: If importing in Lightroom and then exporting with JPGS make sure to have the settings as below.
Option 2: Ingest from your camera to your device and import the folder in Narrative. Then move on to Lightroom
DNG: The embedded preview is microscopic
To resolve:
Option 1: Import the RAWs into Narrative and then do the compression
Option 2: When converting the files, make sure to have this ticked