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Mavic bugs and weak points

Mauri59

Well-Known Member
Joined
May 29, 2017
Messages
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Age
65
After 150GB of video and photos, the weak points of my Mavic are definitely the erratic auto focusing and flares, not counting the ghost obstacles (unexisting ones), seen by the drone front sensors, in late afternoon or early morning.

Sometimes (and more frequently) the autofocus fails to work correctly.
This happens expecially when focus changes from closer subjects to farther ones. When it should be set to infinite, it seems to go "farther" (beyond infinite) and nothing is actually focused, any distance.
Manual focus works, but is unpractical (to many controls to keep) and video looks bad, during the manual focusing adjustments. By the way, the same "nothing on focus effect" can be obtained manually, setting the focus control where it should be on "infinite".
This is a key point, a bad bug DJI should deal seriously to fix.

Flares are also real pain (and an heavy limitation on footage), but constrained weight and small size of lenses are probably a matter diffcult to overcome. Actually, very small cameras, like that on smartphones, are less prone to have this kind of problem.

Zero problems in flight, and no app crashes or signal lost, using the DJI go4 .ipa (ipad mini, iOS v4.0.8), FW v01.03.0700
 
+1 sharpness settings...
Learn how to use focus peaking in low light conditions.
 
+1 sharpness settings...

Done already. Useful, but has NOTHING to do with focusing.
It's wise/smart to reduce noise in post production, increasing sharpness and reducing compression.
The only drawback, is a bigger size video.

Learn how to use focus peaking in low light conditions.

Practically speaking, useless, for three reasons
Manual focusing is useful in still images... where also autofocus works fine.
Manual focus in video, when close and far subjects follows, is visually horrible.
Erratic focusing happens also in high light conditions, with distant subjects. When focus should be "infinite", sometimes it goes "farther" (beyond infinite) and nothing is actually focused, any distance.

PS One of the "best" way to start getting auto-focusing problems, seems that to tap off from center screen.
 

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