Default zoom for PDF's

I have started using Devonthink for most of my work now. I write notes in devonthink and annotate pdf’s in Devonthink.

One little annoyance i have is the default zoom for pdf’s is small. On my 27 inch iMac with my vision i have to zoom in quite a lot. This can be annoying if you are opening many pdf’s in a work session.

Is there any way of setting the default zoom level.I can’t see it in the preferences.The workspaces feature doesn’t apply to this.