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P: Anamorphic Lens Support (De-squeeze)

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I shoot video using the Red Epic camera, which shoots super high resolution video. I often pull high-res photos from the camera and use them in Lightroom. However, I'm hoping to add a feature that supports anamorphic lenses. These lenses shoot natively-stretched pixels. Meaning, the images are stretched vertically 2:1. It's a classic way to shoot movies, and I wish Lightroom supported a way to select the pixel aspect ratio so the images can be viewed undistorted. Currently, I have to stretch them in Photoshop and export. Which is a bummer because the Red Camera's raw files are supported in LR, and I would love to use those files straight from the camera rather than make new ones. Anyone else agree?

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Stu Maschwitz

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To me it's crucial that de-squeeze is a seperate thing from profiled lens distortion and the existing Transform controls:

I don't expect or need Adobe (or anyone) to profile every anamorphic lens that gets released.
Usually we choose anamorphic because we like the character, e.g. vignetting, distortion.
But hey, if you want to profile an anamorphic lens, great! Just let the de-squeeze happen without the rest of the distortion removal.
De-squeeze should be seperate from Transform, so that we can still crop/rotate. straighten etc. with the image handled properly. Premiere and After Effects do this correctly with non-square pixel aspect ratios.
De-squeeze should automatically change the aspect ratio of the photo, so that no cropping or borders are introduced.

@Dustin Stockel did you create profiles yourself for de-squeezing? Using Adobe Lens Profile Creator? What you showed there looks great, but I am unable to run Adobe Lens Profile Creator.app on my brand-new Mac, which seems like a problem. But it looks like you were able to create a profile that de-squeezes without any other correction?

-Stu

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ChrisKou

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For myself, just a simple desqueeze would be sufficient for my needs. That is what I do in video, and lens distortion correction is a different action.

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Dustin Stockel

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Are we wanting lens profiles or just desqueeze support? While I would love to have the additional canvas created for desqueezing, at least we can easily make profiles to desqueeze ourselves.

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Rikk Flohr-Retired

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Rikk Flohr: Adobe Photography Org

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ivanb84877422

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Hello everyone,

I see that the anamorphic de-squeeze support thread is already being talked about over in the Camera Raw forum. I think this should be lower priority than having anamorphic support built into LRC.

I already have to go to Photoshop to de-squeeze and then come back to light room. Having Camera Raw have a specific desqueeze fuction would'nt save me the trip to Photoshop then back to LRC.

Starting a Lightroom Classic Anamorphic support for us that are tired of having duplicate original DNG's and then the de-squeezed versions. It would also be nice to browse the images already processed.

I'll say that de-squeezing is time consuming and a huge headache. Hopefully other folks will jump on board to get LRC up to par regarding anamorphic glass.

Cheers,

Ivan

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Rikk Flohr-Retired

Greetings all,

I've up-leveled this to the Camera Raw team for evaluation, and they've asked me to collect some data.

What we need are some sample images, shot with your anamorphic lenses.

Raw files and DNGs would work best.
We would like to get a broad sample of images from different aspects and different devices.

If you can contribute an image or two, along with the capture body, the lens used, and the aspect (if you know it) information and post them to a sharing service (Dropbox or similar) and then share a link so we can download them. If you want to share the link in private, direct message me via the forum and use "Anamorphic" in your subject line.

Thank you for you help!

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Rikk Flohr: Adobe Photography Org

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Dustin Stockel

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Agreed. While I do plan on fully profiling the Catos and Remus I have, most times I just want to desqueeze, so that's how I have it setup.

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Dustin Stockel

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ivanb84877422

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I agree with this sentiment. I a simple de-squeeze function would be stellar. If it will speed up the process, I'd say forget about 'lens correction' aspect of it. Just a simple de-squeeze that can handle different ratios is what's needed. Hope this becomes a reality soon!

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Dustin Stockel

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Yeah, the way it has to be done right now, doesn't allow the full resolution to be used.

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Stu Maschwitz

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Adding a vote here. Autofocus anamorphic lenses are now a thing, so this topic will rapidly become less niche. I'd echo other comments that this is not necessarily linked to profiling specific lenses. I personally do not want to remove all the distortion and vignetting from my anamorphics, I just need the proper pixel aspect ratio. As has been pointed out, this won't be in metadata, so it needs to be manually set.

Crucially, this should not be handled by the existing Transform controls. Even if the Aspect slider could go farther, it would be a bad way to correct for anamorphic distortion, as it would make any other transforms wonky due to the order of operations.

Pixel Aspect Ratio is well understood by other Adobe apps. Time for Lightroom to join the party. Anamorphics are a blast!

-Stu

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