[Bug 238285] New: Nikkor 18-200mm not detected by lens autocorrection

https://bugs.kde.org/show_bug.cgi?id=238285

           Summary: Nikkor 18-200mm not detected by lens autocorrection
           Product: digikam
           Version: 1.2.0
          Platform: unspecified
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: general
        AssignedTo: [hidden email]
        ReportedBy: [hidden email]


Version:           1.2.0 (using 4.4.3 (KDE 4.4.3), KDE:KDE4:Factory:Desktop /
openSUSE_11.1)
Compiler:          gcc
OS:                Linux (x86_64) release 2.6.27.45-0.1-default

Digikam does have a problem to read the exif metadata from my lens. The lens is
a nikkor 18-200mm but the one proposed by the lens autocorrection is nikkor
24-85mm. I join one exif file saved with digikam so you can have the
information.

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--- Comment #1 from  <humufr yahoo fr>  2010-05-20 11:57:31 ---
Created an attachment (id=43744)
 --> (http://bugs.kde.org/attachment.cgi?id=43744)
exif file

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[Gilles Caulier-4]

https://bugs.kde.org/show_bug.cgi?id=238285


Gilles Caulier <[hidden email]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|general                     |Metadata




--- Comment #2 from Gilles Caulier <caulier gilles gmail com>  2010-05-20 19:18:44 ---
This problem is fully relevant of Exiv2 library. digiKam already extract Nikon
Lens info from Makernotes, but if Exiv2 don't know this lens in the list, it
will not work.

http://lxr.kde.org/source/extragear/graphics/digikam/libs/dmetadata/dmetadata.cpp#960

Which Exiv2 release you use exactly ?

Gilles Caulier

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["Jens Müller"]

https://bugs.kde.org/show_bug.cgi?id=238285


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--- Comment #3 from Jens Mueller <tschenser gmx de>  2010-05-20 19:53:48 ---
Beside your exiv2 version, is the lens name listed in photo properties (left
sidebar)? Is the lens listed in lens selector in autocorrection plugin
(lensfun-db)?

I extended lensfun searches for digikam 1.3 (fully nikon relevant), so I assume
your problem is fixed in current svn.

Could you please attach a downsized jpeg image with full makernotes, I'm not
able to open the previous one.

Regards, Jens

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--- Comment #4 from Jens Mueller <tschenser gmx de>  2010-05-20 23:22:47 ---
I just tried this one:
http://www.flickr.com/photos/kadath/3479009372/in/set-72157617186639099/ 

With digikam 1.3svn lensfun 2.5svn and exiv2 0.19svn the lens is selected in
autocorrection tool.

With digikam 1.2 lensfun 2.3 and exiv 0.19 the lens is listed in autocorrection
drop down list but lens name is not decoded and therefore right lens could not
be selected.

One problem for future use could be that the lensid of the 'Nikkor 18-200mm
f/3.5-5.6G IF-ED' is the same than the new II version.

Jens

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--- Comment #5 from Gilles Caulier <caulier gilles gmail com>  2010-06-07 10:10:14 ---
Jens,

Do you manage this entry for the future ?

Gilles Caulier

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--- Comment #6 from Jens Mueller <tschenser gmx de>  2010-06-07 22:28:14 ---
I think this entry can be closed with release 1.3 (additional lensfun
searches). I tested various different nikon lenses, and none of them is not
selected when there is a lensfun entry.
The Nikkor 18-200mm f/3.5-5.6G IF-ED exists in two versions, the newer one with
a better VR, but I don't know if optical design and therefore correction params
have been changed.

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Gilles Caulier <[hidden email]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|                            |FIXED




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Gilles Caulier <[hidden email]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Version Fixed In|                            |1.4.0

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