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Lens correction Sony FE

Philipp.Pfneisl
Hello

My Name is Philipp and I'm very new to image processing so please forgive me If I'm asking stupid questions. I was previously using Light Room for my image processing. I'm having A Sony A7ii with FE 16-35mm F4 lens. I'm missing the lens correction in Capture 1. I googled a bit and found that somebody recommends to use "manufacturere profile" but this doesn't help. Still my images look distorted. I see it very clear because currently I'm processing pictures from the sea. Its always a bow curvature in my pics.

Maybe I'm doing something wrong so please help me getting my pics edited.

Thanks a lot
greets from Vienna (Austria)
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  • SFA
    Hi and welcome!

    "Manufacturer Profile" means that C1 is using Sony correction data included in the file from the camera.

    I think in most cases, as I understand it, the Sony lens data is all that is used. Some older lenses, from the time before the Sony and Capture One relationship, may have their own previously developed profiles as a second option. There may also be some occasions when separate profile is developed although I am not aware of any.

    A curved horizon is quite likely to be the result of the camera angle at which the image was shot - especially for wide angle lenses which will naturally tend to distort things in ways that are not easily corrected automatically by any in lens/camera data. (Think of fish-eye images as extreme examples of that type.)

    You will most likely need to work out some manual lens adjustments or use other applications and tools to reduce or eliminate the curvature if my guess is correct since it is not technically a lens problem that can be resolved in a RAW file converter (or in camera for the jpg I would assume) by "fixing" based on lens design adjustments.

    HTH.


    Grant
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  • JoVo
    SFA wrote:
    A curved horizon is quite likely to be the result of the camera angle at which the image was shot - especially for wide angle lenses which will naturally tend to distort things in ways that are not easily corrected automatically by any in lens/camera data. (Think of fish-eye images as extreme examples of that type.)


    The FE 16-35 is a rectilinear lens so after correcting the distortion introduced by the lens (which can be done easily with a correct profile) all straight lines photographed should be straight lines in the picture.

    I'm also wondering how this works in Capture One. I have the 28mm FE prime, the manufacturer profile works rather well here.

    Kind regards,
    Jonas
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  • Christian Gruner
    JoVo wrote:
    SFA wrote:
    A curved horizon is quite likely to be the result of the camera angle at which the image was shot - especially for wide angle lenses which will naturally tend to distort things in ways that are not easily corrected automatically by any in lens/camera data. (Think of fish-eye images as extreme examples of that type.)


    The FE 16-35 is a rectilinear lens so after correcting the distortion introduced by the lens (which can be done easily with a correct profile) all straight lines photographed should be straight lines in the picture.

    I'm also wondering how this works in Capture One. I have the 28mm FE prime, the manufacturer profile works rather well here.

    Kind regards,
    Jonas



    See my answer in this thread: viewtopic.php?f=55&t=20560
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  • SFA
    Philipp,

    You may find this is a useful starting reference for understanding Distortion and how digital methods are applied to correct it.

    The correction can be from lens data supplied by the lens manufacturer, an external analysis and correction by the application developers or by manual adjustment using tools provided by the developers (sometimes this last one added to the adjustments made the first or the second mentioned).

    http://www.cambridgeincolour.com/tutori ... ctions.htm

    If you are shooting wide angle seascapes bear in mind the horizon line is not entirely straight but follows the curvature of the planet. If the natural line is not in the centre of the frame the slight curvature effect can be exaggerated, especially when using very wide angle lenses.

    HTH.


    Grant
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  • jbkbd
    Hi Everyone,

    Does anyone here know how to import/load a Sony lens profile into C1? One of my lens' (Sony Sonnar T* FE 35 F28 ZA) profile is not listed in the Manufacturers profiles' Sony/Zeiss list of lenses...C1 has all the other Sony n Zeiss lenses listed except this one..!
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