Please select Into the mobile phone version | Continue to access the computer ver.
DNGs Saved from panorama are distorted
105 13 5-17 14:57
Uploading and Loding Picture ...(0/1)
o(^-^)o
PS013
Captain
Flight distance : 1908665 ft
United States
Offline

Hello all,

On my Mavic 2 PRO, if I save the original panorama in DNG instead of JPEG, it looks like the image are distored. ( in fact it even looks like the first one is OK, but the next one are distorded ) like the lens correction is not present in the DNG.

Can anyone reproduce the problem or knows how I could check if the lens correction information is present in the DNG ?

Thank you in advance


5-17 14:57
Use props
PS013
Captain
Flight distance : 1908665 ft
United States
Offline

Nobody want to try save the M2P pano in DNG and verify the result ?
5-18 06:01
Use props
TomThomson
First Officer
Flight distance : 2294035 ft
Switzerland
Offline

PS013 Posted at 5-18 06:01
Nobody want to try save the M2P pano in DNG and verify the result ?

Hi, never noticed something like that with my Mavic 2 Pro.
Lightroom finds and uses the lens profile every time ...
5-18 10:58
Use props
PS013
Captain
Flight distance : 1908665 ft
United States
Offline

TomThomson Posted at 5-18 10:58
Hi, never noticed something like that with my Mavic 2 Pro.
Lightroom finds and uses the lens profile every time ...

Thanks Tom.

I wonder what’s wrong with mine then.
5-18 11:07
Use props
TomThomson
First Officer
Flight distance : 2294035 ft
Switzerland
Offline

PS013 Posted at 5-18 11:07
Thanks Tom.

I wonder what’s wrong with mine then.

Can you post an example?
5-18 11:11
Use props
PS013
Captain
Flight distance : 1908665 ft
United States
Offline

TomThomson Posted at 5-18 11:11
Can you post an example?

Thanks again Tom. I will add a link to some files as soon as I get back home.
5-18 11:25
Use props
PS013
Captain
Flight distance : 1908665 ft
United States
Offline

TomThomson Posted at 5-18 11:11
Can you post an example?

Here is a link to a Google drive https://drive.google.com/drive/f ... tJCWSco?usp=sharing

In the ' Single shot ' folder, you can see a few DNG made by shooting, well, single shot
These are all fine.

In the ' Panorama ' folder, DNG created when saving each frame of a panorama in DNG instead of JPEG
You should see lens distortion on most of them when opening the DNG ( clicking on them in Google drive seems to just display the included Jpeg )
So you will have to downlooad the files first.

Thanks again
5-18 12:13
Use props
TomThomson
First Officer
Flight distance : 2294035 ft
Switzerland
Offline

PS013 Posted at 5-18 12:13
Here is a link to a Google drive https://drive.google.com/drive/f ... tJCWSco?usp=sharing

In the ' Single shot ' folder, you can see a few DNG made by shooting, well, single shot

Okay, downloaded and imported the files into Lightroom.
For a split second I was able to catch a glimpse of what you mean - the horizon was curved - but when lightroom generated the previews finally everything was fine. Also the panorama looks good ....
5-18 15:11
Use props
PS013
Captain
Flight distance : 1908665 ft
United States
Offline

TomThomson Posted at 5-18 15:11
Okay, downloaded and imported the files into Lightroom.
For a split second I was able to catch a glimpse of what you mean - the horizon was curved - but when lightroom generated the previews finally everything was fine. Also the panorama looks good ....

Well, then I guess it is my photo editor that is action up ( Cymbeline photodirector )
But I wonder why I don’t have the distorsion on the single shot picture ....

Thank you for trying
5-18 15:47
Use props
PS013
Captain
Flight distance : 1908665 ft
United States
Offline

Well, It looks like I have the same problem with "Raw Therapee"...

Also, if was  the editing software, shouldn't the DNG taken from single shot should also show the distortion ?
The most 'bizarre' thing, is that not all  the pictures from the panorama set show the distortion.

5-19 12:11
Use props
gnirtS
Captain
Flight distance : 2509390 ft
United Kingdom
Online

Lens distortion correction is baked into the DNG file.
However, some photo editors are buggy and only half implement the DNG standard so dont see/apply this.
Ultimately its an issue with your choice of raw editor and not the drone itself.
5-19 18:18
Use props
PS013
Captain
Flight distance : 1908665 ft
United States
Offline

gnirtS Posted at 5-19 18:18
Lens distortion correction is baked into the DNG file.
However, some photo editors are buggy and only half implement the DNG standard so dont see/apply this.
Ultimately its an issue with your choice of raw editor and not the drone itself.

Thank you for your comment.

While I do not disagree with you, I am wondering why it is working for some pictures, and not for others.
Since the transformation is the same for all pictures, I would expect to have success or failures for all pictures, and that is not the case.


5-20 05:24
Use props
gnirtS
Captain
Flight distance : 2509390 ft
Malaysia
Online

PS013 Posted at 5-20 05:24
Thank you for your comment.

While I do not disagree with you, I am wondering why it is working for some pictures, and not for others.

File structure.  Its quite probably only set up to access for certain dimension photos and certain corrections and isnt seeing ot ignoring extra data for non standard images (panos etc).

Its a fairly common problem, a lot of editors (free and some paid) dont fully interpret the DNG standard (which is fairly inforgivable since its open sourced)
5-20 06:21
Use props
DarthSLR
Captain
Flight distance : 689108 ft
United States
Offline

As it has been said previously, most likely you're dealing with the incorrect interpretation of the DNG files. Bring them into LR or Bridge, or directly into PS, and you should be good.
5-20 06:34
Use props
Advanced
You need to log in before you can reply Login | Register now

Credit Rules