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Underexposed photos
1341 18 2020-7-21
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ChamberDrone
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United States
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Hey guys.


So i'm having a weird problem when taking photos with the Mavic Air 2. So before I take the photo, on the phone screen everything looks like its properly exposure. But whenever I open the file on my computer, the photos are drastically underexposed(almost 2 stops underexposed). It's as if Im getting a false reading on the screen.  Video wise its fine, its only when taking photos. Anyone else having this problem?


2020-7-21
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Ice_2k
Captain
Flight distance : 1132575 ft
Romania
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does this happen only on DNG files by any chance?
2020-7-21
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Ex Machina
Captain
Flight distance : 1784344 ft
United States
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Does the app have a histogram function like GO 4's? You could use that as a reality check.
2020-7-21
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Denny-R
Second Officer
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Germany
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You can enable the histogram in camera options in the dji fly app.
2020-7-21
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ChamberDrone
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Ice_2k Posted at 7-21 07:16
does this happen only on DNG files by any chance?

yes it seems to be dng files are doing it
2020-7-21
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ChamberDrone
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Ex Machina Posted at 7-21 09:47
Does the app have a histogram function like GO 4's? You could use that as a reality check.

I think it does have a histogram function. But still though, wouldnt the live show the true exposure of the camera
2020-7-21
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Denny-R
Second Officer
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The live view might fool you. You should always check the histogram to be on the safe side. It's also totally normal that the RAW file is a lot less saturated, has less contrast and is overall flat looking. If you shoot in 48MP mode, they are darker than 12MP mode at same ISO and shutter speed. Common quad bayer problem. But that should be visible in live view.
2020-7-21
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ChamberDrone
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Denny-R Posted at 7-21 10:59
The live view might fool you. You should always check the histogram to be on the safe side. It's also totally normal that the RAW file is a lot less saturated, has less contrast and is overall flat looking. If you shoot in 48MP mode, they are darker than 12MP mode at same ISO and shutter speed. Common quad bayer problem. But that should be visible in live view.

ahh gotcha. I get that Raw photos will look natural flat, but they are just coming out really underexposed. I'll start looking at the histogram for now on
2020-7-21
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Ice_2k
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ChamberDrone Posted at 7-21 10:05
yes it seems to be dng files are doing it

I noticed this as well sometimes. The weird thing is that some programs (viewers mostly) show the image correctly but when opening it in a full fledged editor like Lightroom, they sometimes turn dark like they had some “auto editing” applied and Lightroom removed it. Funny thing is that it doesn’t always happen.
2020-7-21
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Ex Machina
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Ice_2k Posted at 7-21 13:47
I noticed this as well sometimes. The weird thing is that some programs (viewers mostly) show the image correctly but when opening it in a full fledged editor like Lightroom, they sometimes turn dark like they had some “auto editing” applied and Lightroom removed it. Funny thing is that it doesn’t always happen.

What you are likely seeing is the DJI processed jpeg preview file inside the DNG flash for a moment before the RAW file is rendered.

ChamberDrone, what color profile is being used for video? A video color profile shouldn't affect a DNG but on the original Mavic we saw that the DLOG profile did affect exposure levels.
2020-7-21
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DJI Stephen
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Hello there ChamberDrone. I am sorry for the trouble this has caused and thank you for reaching out. Can you please post sample photo that shows the said issue for us to be able to see and assist you further? Thank you.
2020-7-21
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Ice_2k
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Ex Machina Posted at 7-21 17:32
What you are likely seeing is the DJI processed jpeg preview file inside the DNG flash for a moment before the RAW file is rendered.
I gotta say that is quite a plausible explanation
2020-7-21
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ChamberDrone
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Ex Machina Posted at 7-21 17:32
What you are likely seeing is the DJI processed jpeg preview file inside the DNG flash for a moment before the RAW file is rendered.

ChamberDrone, what color profile is being used for video? A video color profile shouldn't affect a DNG but on the original Mavic we saw that the DLOG profile did affect exposure levels.

I was using flat profile
2020-7-22
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ChamberDrone
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DJI Stephen Posted at 7-21 21:18
Hello there ChamberDrone. I am sorry for the trouble this has caused and thank you for reaching out. Can you please post sample photo that shows the said issue for us to be able to see and assist you further? Thank you.

This is the Jpeg


And this is the DNG File
2020-7-22
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crabfly
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This thread and at least one other have reported that RAW 48mp photos appeared underexposed. I decided to review a series of photos I had taken a while ago.  They were taken one after another, mid day under sunny conditions, auto mode in both 12mp and 48mp  and saved in jpeg and dng.  From the file info I found all the shutter speeds and ISOs (100) were the same.  Using  the "photos" program  all the photos looked exactly the same (including exposure) on a FHD computer screen. The photos included 12mp and 48mp both in jpeg and dng.
2020-7-22
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Ex Machina
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ChamberDrone Posted at 7-22 07:15
I was using flat profile

Might try a test using the standard color profile and then with the flat profile to see if that makes a difference.
2020-7-25
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Arnaud Chabot
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Belgium
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Hello i ve exactly the same problem. Image in live view and jpeg are fine and well exposed but .Dng is very dark -3 exposure, it’s very annoying. I can’t see my files in lightroom and I must expose them. It happen less when I ve sky on the image. I m a photographer and I never be a problem like this before with my cameras.
2020-11-27
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Taidghg96
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Spain
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Did you find a fix for this as mine has started do the same thing and dig files are underexposed and over saturated?
4-23 08:22
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djiuser_dOKhWynB6EWn
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United States
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Did you ever figure this out? This just started happening to me yesterday after a year of shooting raw and using lightroom.  It’s incredibly frustrating and I have not been able to find the answer online even after finding multiple threads from people experiencing this.
9-27 14:56
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