Infragram NDVI 2007 Slip On Vegetation Blue Filter Roscoe 2007 to be used with mini lenses for gopro, dji vision2 & other mini hd action cameras that have the ir cut filter removed. PLEASE Ask us if you have questions regarding the proper way to configure your camera or buy one from us all ready to go.
See this link also to learn about this neat little trick for studying plant health.
http://flightriot.com/additional-planned-filter-tests-for-ndvi/
