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Judder In 24(25,30)P
1016 14 2019-1-28
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VIZ Produkcija
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Flight distance : 40751 ft
Serbia
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This is a big problem with Mavic 2, and as slow as the camera rotates, this effect appears. At Phantom 4 Pro is resolved with 50(60)P





2019-1-28
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Montfrooij
Captain
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What was your shutterspeed?
2019-1-28
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VIZ Produkcija
lvl.4
Flight distance : 40751 ft
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Montfrooij Posted at 1-28 10:20
What was your shutterspeed?

1/50, 24p, ND32

2019-1-29
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Montfrooij
Captain
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Ok, that does eliminate the fast shutterspeed.
2019-1-29
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VIZ Produkcija
lvl.4
Flight distance : 40751 ft
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Montfrooij Posted at 1-29 04:10
Ok, that does eliminate the fast shutterspeed.

It is possible that there is a problem that the monitor is refresh 60 Hz, so there is a desynchronization
2019-1-29
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Montfrooij
Captain
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VIZ Produkcija Posted at 1-29 04:25
It is possible that there is a problem that the monitor is refresh 60 Hz, so there is a desynchronization

I must say I don't see any flickering.
Is there a specific place in the frame you see it best?
2019-1-29
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VIZ Produkcija
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Montfrooij Posted at 1-29 04:33
I must say I don't see any flickering.
Is there a specific place in the frame you see it best?

It's not a flicker, it's a judder, it also comes up to the camera when it is shot at 24p
2019-1-29
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Montfrooij
Captain
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VIZ Produkcija Posted at 1-29 04:35
It's not a flicker, it's a judder, it also comes up to the camera when it is shot at 24p

Sorry, I mean 'stutter' not flicker.
I don't see stuttering in the video.
2019-1-29
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djiuser_ZFUaSaOBgIxz
Second Officer
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I had the same problem with my 2 Pro. Ended up being my SD card. Now seems everything is okay. Just a thought.
2019-1-29
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VIZ Produkcija
lvl.4
Flight distance : 40751 ft
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djiuser_ZFUaSaOBgIxz Posted at 1-29 08:09
I had the same problem with my 2 Pro. Ended up being my SD card. Now seems everything is okay. Just a thought.

I also think that the SD card can make the problem. when I turn on Cache Video Shooting ,the drop frame appears.

2019-1-29
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Sky Donkey
First Officer
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United Kingdom
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Where is that ? The landscape and smog makes it look more like MEGA CITY 1 from DREDD
2019-1-29
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VIZ Produkcija
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Sky Donkey Posted at 1-29 08:42
Where is that ? The landscape and smog makes it look more like MEGA CITY 1 from DREDD

Belgrade, Serbia. This example is seen even better. But everything broke the judder at the church clock

2019-1-29
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Ministar
lvl.4
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I we noticed same problem. When i did gentle circle when i filmed river.

This video was recorded in 4k/24p HQ mode and downconverted to 1080p with same frame rate



I will try tomorrow same location with other SD card
2019-1-29
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VIZ Produkcija
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Flight distance : 40751 ft
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Ministar Posted at 1-29 09:27
I we noticed same problem. When i did gentle circle when i filmed river.

This video was recorded in 4k/24p HQ mode and downconverted to 1080p with same frame rate

Yes, that's what I'm talking about, but it does not matter with the SD card. Here's how it looks with the Phantom 4 Pro, totally different:




2019-1-29
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KevinShi
lvl.2
Flight distance : 92953 ft
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I'm having the same issue, and found that the closer subject related to camera, the worse it appears.
The easiest way is to hover over a building, point camera straight down, and fly in any direction. As the camera is quite close to the building, but building moves relatively quick to camera, the judder will be really bad.

To find out what's causing the judder, I have tried different combination of H264/H265, 24P/30P, Nornal/HQ, and shutter speed from 1/50 to 1/800. But all of them will have judder problem.

Hi DJI Admin, could you take a look at this issue?
2019-2-4
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