"I'm justing catching up to this discussion.  I just posted something in another thread that sounds relevant here:
OK, so why are there anomalous NDVI or DVI values in some shadows? It's because healthy plants with a good leaf structure reflect NIR…"

"Very interesting discussion, am I too late to participate?  My back ground is in remote sensing - lots of hyperspectral data processing so I admit my bias is for lots of narrow bands. :-) 
I think I can help address some issues here. You mention…"

"Jose, I'm a sensor guy so for pricing you can send an email to info@uasusa.com.  Feel free to mention that I directed you there.  I feel our pricing is competitive.  "

"Just joined this site and group. Thought I'd try to add to the conversation.  My background is remote sensing - PhD in geology and I got into UAVs because of the capability of getting good data at excellent resolution.  
If you want to cover large…"