At our university we use a IR converted D800 as an additional camera in aerial photography for archaeological prospection purposes. It helps to identify vegetation marks, as it enhances the contrast of underground structures getting visible e.g. in ripening crop, making use of the red edge shift.
https://en.m.wikipedia.org/wiki/Red_edge
I find this great news, if Ricoh continues to support such industrial sensors in their cameras. I have already suggested that I would like to see the Q-series with multiple sensors. IR,UV,foveon...