Author Comment Last activity Moderation
vdiallonort "Thanks for your answer, i found some not to expensive filter that block above 700 nm,and some that block under 700 nm so it's not the perfect solut..." | Read more » almost 9 years ago
cfastie "vdiallonort, If you are going to use a single camera with the IR block filter removed, there are two options. If you can take two photos without m..." | Read more » almost 9 years ago
vdiallonort "Hello,Sorry for the newbie question, i am trying to experiment on NDVI, i just remove the IR filter on a EOS 1000D so i am looking for filter i can..." | Read more » almost 9 years ago
gpenzo "Hi tagorecaue. I did not try different lenses any more. I checked my camera result with a farmer who uses a ndvi camera of a university and my res..." | Read more » over 9 years ago
tagorecaue "Hi gpenzo, I read all your articles and would like to know if you have completed your work. Do you had better results with the filter 850 or 720? W..." | Read more » over 9 years ago
gpenzo "Hello Check my notes for daul cam system maybe they can help http://publiclab.org/notes/gpenzo/02-16-2014/ndvi-720nm-850nm-filter-two-camera-setup-..." | Read more » over 9 years ago
cfastie "Public Lab promoted dual-camera IR systems more than three years ago before they found that the one camera systems worked well enough to get people..." | Read more » over 9 years ago