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Complex Lens Distortion

Marcus Hoffmann
Hi Together,

I am using a SAMYANG 14 mm 2.8 on my Nikon D7100. The Lens is great for landscapes. For architecture the complex distortion is a problem. It has a Kind of wave similar distortion.

CAs and vignetting is a Minor problem. How to correct such a complex distortion in CO1?
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  • Permanently deleted user
    I don't think there's a way to do that in Capture One and generally I'd avoid using lenses with any notable or even complex distortion for architecture. Even though such Distortions can be reduced in post (at least in Photoshop it should be possible) there may still be a slight Distortion visible and even the slightest distortion could make a photo unusable for architecture.

    To remove vignetting you can use LCC corrections and CA can be easily removed with Capture One.
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  • SFA
    Using a Samyang 14mm on a crop sensor avoids some of the moustache distortion but not all of it in my experience.
    Interesting as the lens it has some limitations and personally I would not use it for serious architecture work but for casual stuff it's not all bad.

    If you really need to do some extreme tweaking then C1 is not the software to do it right now.

    does anyone offer a default correction that can be applied?

    If not I would guess that Photoshop/Affinity and a few other Graphics editor based pixel shuffling applications may offer something that you could use.

    HTH.


    Grant
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  • Paul Steunebrink
    [quote="just-marc" wrote:
    ...
    I am using a SAMYANG 14 mm 2.8 on my Nikon D7100. The Lens is great for landscapes. For architecture the complex distortion is a problem. It has a Kind of wave similar distortion.

    Another way is that you assist in having this lens profiled. In plain English: your lens is send to headquarters and send back to you. In general, Phase One is interested in supporting as many lenses but need the hardware in-house.

    If you want to follow this route, contact support and ask whether they are interested and how to set this up.

    Your benefit is that Capture One will have the corrections of your copy of the lens. It would get any better then that. 😄
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  • Marcus Hoffmann
    Thanks for your helpful advises! I thing, i will try a external software and an inquiry to the PO support.
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  • Professor Chaos
    I use this lens for internal and external architecture shots a lot in my commercial work, the images are excellent once the lens profile has been applied in Lightroom but there's no way I can see to do it in C1.

    I wish C1 would released their lens profiling software as I'd be happy to make the profiles myself and share them to the community, this is how the original Lightroom profile was generated along with many others.

    Right now I'm having to process the images in C1 from the RAWs, then export as 16 bit TIFFs and round-trip them to LR for lens correction, it's rather painful but I do it because the C1 RAW processing is noticeably superior.
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