Just to add this info on the right places.
I used the Zoom F3 now several times with the Schoeps MK41 > Nbob Actives > Baby Nbox > Zoom F3 setup. The Zoom has 4 input settings (Line, Line 48+, Mic, Mic 48+). The Baby Nbox is there to power the Schoeps mic. Therefore you should NOT use the Phantom Power on the Zoom, so that leaves the MIC (minus 48+) or LINE in (minus 48+) as options. I have used the MIC IN (minus 48+) at some big PA concerts at DFC and it works perfect. Good levels, nothing different from a normal microphone (mic in 48+) > Zoom F3 recording. I have not used the Line In and can not comment on sonic differences.
This is gonna be crossposted on the Schoeps Team forum aswell.