Phantom 4 Pro center Wavelenghts:
- B1 (Red) = 594 +- 32.5 nm
- B2 (Green) = 532 +- 58 nm
- B3 (Blue) = 468 +- 47 nm
I found in this research article where Phantom 4 Pro was tested for this prupouse, for more details you can find it with this link...