X X XCELL Dec 8, 2015 Taken using a Phantom 3 Pro with a variable ND2-400 filter, noticeable darker centre and brighter on the 2 sides. The result is the same in the video I took, not sure what is the cause.
Taken using a Phantom 3 Pro with a variable ND2-400 filter, noticeable darker centre and brighter on the 2 sides. The result is the same in the video I took, not sure what is the cause.