Is it still impossible to take a picture directly in OneNote 2016? It was impossible in OneNote 2013, it is discussed here:
http://answers.microsoft.com/en-us/office/forum/office_2013_release-onenote/cant-take-picture-with-onenote-2013/cc44ab08-d556-4c7d-a2a0-908817bdcf7a and lack of this small functionality looked like a big oversight. Looks like it is still the case. This functionality is present in much more limited windows store version but not in the full featured product.