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Forum: Post-Processing Articles 03-13-2013, 10:12 AM  
Sigma 8- 16 mm lens correction / metadata in PS & LR - especially at 8 mm
Posted By Ubertin
Replies: 45
Views: 17,940
I donīt understand why it doesnīt work.
Here are two screenshots, perhaps anybody can see my mistake...
Forum: Post-Processing Articles 03-11-2013, 11:43 PM  
Sigma 8- 16 mm lens correction / metadata in PS & LR - especially at 8 mm
Posted By Ubertin
Replies: 45
Views: 17,940
Yes, of course. Itīs a DNG file from my K20D

Yes

Yes

Yes

No, when I toggle it on and off, there is no change...
Forum: Post-Processing Articles 03-11-2013, 01:56 PM  
Sigma 8- 16 mm lens correction / metadata in PS & LR - especially at 8 mm
Posted By Ubertin
Replies: 45
Views: 17,940
Yes, I run the bat with the following entries:
"C:\ExifTool\exiftool" -progress -overwrite_original -k -ext dng -ext pef -r "-exif:FocalLength


After this I actualized the metadata in LR - the focal length is now displayed well, but not the lens model.

Then I ran the LR-plugin from this site:
DigitalFotoNetz.de :: Thema anzeigen - Sigma 8-16 Brennweite < 10mm in EXIF vorhanden

Everything is now displayed well, the lens model and the focal length. But nothing happens when I start the lens correction.
Forum: Post-Processing Articles 03-07-2013, 04:45 AM  
Sigma 8- 16 mm lens correction / metadata in PS & LR - especially at 8 mm
Posted By Ubertin
Replies: 45
Views: 17,940
Thank you for this information!
Unfortunately my workaround donīt work: Changing metadata with exiftool and the .bat works. After I have reimported the pictures into Lightroom I actualize the metadata an the right focal length is displayed.
But when I want to start the lens correction it doesnīt anything happen (with pictures <10mm). With pictures >10mm the lens correction is working fine...
Does anyone know what I have to change?
Forum: Post-Processing Articles 03-06-2013, 06:10 AM  
Sigma 8- 16 mm lens correction / metadata in PS & LR - especially at 8 mm
Posted By Ubertin
Replies: 45
Views: 17,940
Hello!

One question: Does this workaround also work after an update of Lightroom or Camera Raw or must I repeat the steps after each update?
Thanks.

Daniel
Forum: Pentax SLR Lens Discussion 11-20-2010, 10:47 AM  
Sticky: Wanted: Adobe Lens Profiles
Posted By Ubertin
Replies: 131
Views: 227,883
Hello!

I am looking for the Adobe lens profile for the older Sigma 8mm/ f4 lens.
Can anybody help me?

Best regards
Daniel
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