[Digikam-devel] [Bug 267613] New: Lensfun doesn't work correctly with compact cameras

[Sergey Salnikov]

https://bugs.kde.org/show_bug.cgi?id=267613

           Summary: Lensfun doesn't work correctly with compact cameras
           Product: digikam
           Version: 2.0.0
          Platform: Compiled Sources
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: wishlist
          Priority: NOR
         Component: Image Editor
        AssignedTo: digikam-devel at kde.org
        ReportedBy: salsergey at gmail.com


Version:           2.0.0 (using KDE 4.6.0) 
OS:                Linux

Previously lensfun crashed when I was trying to apply any lens corrections in
any application (digikam, ufraw, darktable). I have compiled and installed
lensfun-0.2.5.1. Now automatic lens corrections work well with DSLR cameras,
but not with compact cameras. In darktable it works well with compacts too.

I see two problems with automatic lens correction realization in digikam. At
first, if you disable automatic camera identification, you can't select
standard lens for compact camera because there are only lenses for DSLR. This
is a problem for Canon DSLR too, because the list doesn't contain EF-S lenses.
However, if your camera is automatically identified, EF-S lenses are in the
list.
In darktable when I select a compact camera the lens list contains only few
lenses and one of them is "Standard".

The next problem is possibly connected only to Canon PowerShot S5 IS. This
camera is automatically identified and it's lens is set to "Standard". However,
the correction doesn't work correctly. The result is a small rounded image in
the center (something like fisheye). In darktable lens correction for the same
image works well.

I think the above problems are connected to digikam because in darktable and
ufraw lens corrections work well.

If you have any questions I'm ready to answer.

Reproducible: Always

Steps to Reproduce:
This problem is reproduced every time in digikam 1.8.0 - 2.0.0beta3

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