gmccurdy
First Officer
Offline
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With the grid video, you are very close and inside whatever distance the lens hyperfocal distance was set at the factory (I think that lens unit is glued on screw threads for setting focus?). Factory may set them to an optimum of maybe 100 feet being a f/2.8 lens, so that accounts for the blurriness part. The wavering movement is greatly exaggerated by shooting so close too hence the scan lines are wavering with the slow speed of the rolling shutter.
If your grid were farther away, better lighting, and a stable means of panning (Not handheld!) you likely would not notice anything. One of my cheap (loose) tripods will do nasty things when I pan with it on the Nikon, but if I put it on a tighter fluid head it looks a lot better for video. Photographing an airplane's propellers you'd think the plane's props were bent 180 degrees back and ready to break off!
You could try shooting stills of the grid and see how they turn out. They will likely be aligned right with the exception of some edge distortion from being a wide angle lens, also correctable in post with software like Lightroom that has the DJI lens corrections in it with the DNG files. Keep the drone stationary as well as the grid. That would eliminate the video part in dealing with the shutter. I think there is also a setting for the Hz scan of Auto, 50, and 60 in the menu. Changing it off Auto to either 50 or 60 Hz might help too. Less thinking (resources) for the camera to do. I don't think I shoot anything in Auto on mine.
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