Panoramic slight fisheye in Lightroom

[Meta4]

see what the mini2 files do for you in adobe.

I will but I didn't download those at the same time and now it's telling me that the download link has expired.
Can you set it up again?

 

[sarimento1]

I will but I didn't download those at the same time and now it's telling me that the download link has expired.
Can you set it up again?

nothing should have changed, but here she is.
Looking forward to your diagnosis!
Thanks again!

 

[Meta4]

nothing should have changed,

Yes ... nothing's changed.
The preview images show here, but every time I click on the link to download them, all I get is ...
download link expired

 

[sarimento1]

Yes ... nothing's changed.
The preview images show here, but every time I click on the link to download them, all I get is ...
download link expired

apology for all the trouble!
no idea what the issue.
anyway, i re-uploaded to a fresh album.
hopefully this will work.

 

[sarimento1]

Yes ... nothing's changed.
The preview images show here, but every time I click on the link to download them, all I get is ...
download link expired

belt and suspenders...

 

[Meta4]

anyway, i re-uploaded to a fresh album.
hopefully this will work.

It did.

None of those images want to work well with a perspective projection in any of my stitching programs.
Photoshop seems to be teh worst (and slowest).
Here are both after running through Photoshop using Perspective.
Mini 2

Air 2S

Using the Perspective projection in Microsoft ICE worked better (up to a point)

And cropped

But ICE doesn't like straight lines and often screws them up as the highlighted problems stitching the road show.

The way that Photoshop (Perspective) takes a bite out of the top left is puzzling.
Perspective isn't a good projection for big stitch jobs though and things work better with one of the more common projections, if you pull the bowed horizon down to correct it.

I never use the automated panorama feature and shoot a lot of panoramas freehand with good results.
I wonder if DJI's way of inclining the camera on the outside columns is too clever and somehow affecting things?
The simple way to confirm this would be to shoot a simple 3 x1 strip panorama manually like this

... and see if it comes out any better than this.

My guess is that it should easily come out like this without any messing around.:

 

[sarimento1]

It did.

None of those images want to work well with a perspective projection in any of my stitching programs.
Photoshop seems to be teh worst (and slowest).
Here are both after running through Photoshop using Perspective.
Mini 2

Air 2S

Using the Perspective projection in Microsoft ICE worked better (up to a point)

And cropped

But ICE doesn't like straight lines and often screws them up as the highlighted problems stitching the road show.

The way that Photoshop (Perspective) takes a bite out of the top left is puzzling.
Perspective isn't a good projection for big stitch jobs though and things work better with one of the more common projections, if you pull the bowed horizon down to correct it.

I never use the automated panorama feature and shoot a lot of panoramas freehand with good results.
I wonder if DJI's way of inclining the camera on the outside columns is too clever and somehow affecting things?
The simple way to confirm this would be to shoot a simple 3 x1 strip panorama manually like this

... and see if it comes out any better than this.

My guess is that it should easily come out like this without any messing around.:

thanks for taking all the time and trouble to work on this!
you pretty much ran into same issues I was having with Adobe and the Air2S.
Yes, ICE is an alternative, but as you point out, it tends to have some small stitching issues.
In my case, since most of my workflow is with Lightroom, that would be the preferred route.
And I'm still mystified why the Mini2 files work fine in LR but the Air2S files won't.
Here's how Lightroom stitched those same Mini2 files for me...

 

[sarimento1]

just to report, i tried a wide pano merge in lightroom today on a recent series of Air2S shots. DNG's. Seemed to work great without any special steps. Go figure!

 

[Meta4]

just to report, i tried a wide pano merge in lightroom today on a recent series of Air2S shots. DNG's. Seemed to work great without any special steps. Go figure!

View attachment 130377

All the individual images have a straight horizon
With the previous troublesome images, the horizons were only straight in the centre images.

 

[sarimento1]

All the individual images have a straight horizon
With the previous troublesome images, the horizons were only straight in the centre images.

if so, i'm still perplexed why the wide panos on the mini2 stitch fine in lightroom, even when not all single shots have a horizon.

 

[therealambro]

Hey there,

I think I'm having the same issue, and I believe it comes from the angled perspective that I'm assuming your Air 2S uses when using the 9 shot wide mode, assuming it shoots the 9 shots the same way my Air 2 does, with the side and corner photos at angles.

Lightroom and Photoshop seem unable to interpret that the camera it is merging from changed level relative to the horizon during shooting, regardless of using the different projection modes as people keep stating. This is evident when you compare to the 180-deg pano, where the pre-programmed shooting from DJI does NOT change the angle of the camera relative to the horizon, all photos are level. Lightroom has no problem merging then.

Only DJI's app knows what the camera was doing in the 9-shot mode, and I wish they would either communicate this with Adobe, or add a setting to do the 9-shot pano all level, so that LR can interpret it and we can work with the RAW files.

My new thread on this details (with pictures) all of these settings and shows the projection not fixing the issue:

WIDE Panoramic (9-shot) Distortion in Lightroom

Hey there! This is specific to DJI's 9-shot 'Wide' panoramic feature. I'm attempting to use the 9 RAW DNG files off of my Air 2, and stitch them in Lightroom/Lightroom Classic, rather than using the version auto-stitched by the DJI app/drone: 1) to retain the RAW file instead of the lossy...

mavicpilots.com

 

[Star City SkyCams]

Hey there,

I think I'm having the same issue, and I believe it comes from the angled perspective that I'm assuming your Air 2S uses when using the 9 shot wide mode, assuming it shoots the 9 shots the same way my Air 2 does, with the side and corner photos at angles.

Lightroom and Photoshop seem unable to interpret that the camera it is merging from changed level relative to the horizon during shooting, regardless of using the different projection modes as people keep stating. This is evident when you compare to the 180-deg pano, where the pre-programmed shooting from DJI does NOT change the angle of the camera relative to the horizon, all photos are level. Lightroom has no problem merging then.

Only DJI's app knows what the camera was doing in the 9-shot mode, and I wish they would either communicate this with Adobe, or add a setting to do the 9-shot pano all level, so that LR can interpret it and we can work with the RAW files.

My new thread on this details (with pictures) all of these settings and shows the projection not fixing the issue:

WIDE Panoramic (9-shot) Distortion in Lightroom

Hey there! This is specific to DJI's 9-shot 'Wide' panoramic feature. I'm attempting to use the 9 RAW DNG files off of my Air 2, and stitch them in Lightroom/Lightroom Classic, rather than using the version auto-stitched by the DJI app/drone: 1) to retain the RAW file instead of the lossy...

mavicpilots.com

I'm so gonna be following that thread!

 

[Sebsela]

So summed up the problem is new for the air 2s compared to the older drones as it is possible to tilt wide Panos down, which wasn't possible before.

With that said, I've gotten similar problems even when I have the camera linear with the horizon. The perspective option still doesn't work...

 

[chowland]

Sorry in advance for the newbie/stupid question. In the scenarios I read above, I have to ask, Are you making the pano's manually and not using the app option of making them for you? When I use the app to make a wide angle, I only get the jpg version and not a series of DNG files. I used to make the pano's manually when I flew my EVO and then stitched them together in lightroom or ICE, So I probably just answered my own question. I just wasn't sure if there was an app setting I missed somewhere to save the individual pano dng files.

 

[CJG]

Just correct it manually.

Can you elaborate? In relation to Lightroom?

 

[CJG]

my specialised stitching programs all do.

Which is the best? What do you recommend?

 

[CJG]

perspective' projection mode.

I agree that this mode stitches Mini 2 9-image panoramas correctly as regards the horizon, but at the expense of a lot of distortion at the bottom right & left which needs additional cropping to get a usable image. This results in a smaller panorama than ideal

 

[CJG]

There's nothing wrong with the image files, they stitch perfectly.
But the way they've been taken makes the stitch initially display with a bowed horizon.
I've tried stitching in 3 different programs and get similar results for all.

Pull the horizon down a little to flatten it (not sure if Photoshop allows you to do this but my specialised stitching programs all do.

Crop

And there's your image

If the bowing of the horizon was the issue, I suspect it's caused by the initial capture is very "bottom heavy", with the sky only being a small part of the total.

I'll look at the Mini2 pics later.

What was the software you used here?

 

[Meta4]

What was the software you used here?

I tried several different stitching programs to try to find a satisfactory solution.
That one showing the grid, is Kolor Autopano Giga

 

[CJG]

I tried several different stitching programs to try to find a satisfactory solution.
That one showing the grid, is Kolor Autopano Giga

Thanks @Meta4