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Author Topic: Lens Profile oddity in LR4  (Read 569 times)
jwlimages
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« on: June 28, 2013, 08:16:09 PM »
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So, I am trying out this Tamron 24-70mm f/2.8 DI VC USD lens on my Canons. So far, looks promising.

But, when I import .CR2s, Lightroom apparently identifies the lens as a *Sigma 24-70mm f/2.8 IF EX DG HSM! At least, that's the lens profile assigned to raws shot with my 5D MkII. (I had set up a default for the Mk II to include various settings, including using Lens Profile Corrections)

I hadn't heard of Lightroom "misidentifying" a lens before - has anyone else seen this? Is there some way I haven't found to "educate" Lightroom that this is a Tamron, not a Sigma lens?

Puzzled...

John
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Robert-Peter Westphal
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« Reply #1 on: June 29, 2013, 12:53:36 AM »
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Hello,

are you sure that you haven't created accidentally a default for this camera which includes the Sigma profile ? If you did so, you can simply reset it by open an I modified file in Lightroom, do all changes you want to be the default for this camera, press the alt / option keys d then set as default ( button at the bottom of the right handed pallets).
Robert
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'visit my completly renewed gallery at http://www.naturfotografie-westphal.com '
jwstl
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« Reply #2 on: June 29, 2013, 01:38:41 AM »
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If you Google it you'll see there are others with the same experience. Here's one example with advice:

http://forums.adobe.com/message/4757279
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jwlimages
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« Reply #3 on: June 29, 2013, 11:41:34 AM »
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Quote
are you sure that you haven't created accidentally a default for this camera which includes the Sigma profile ?

Thanks for the thought, but no, am sure this is not the issue. I don't have any Sigma lenses, and as mentioned, my custom default for the 5D Mk II includes "Lens Profile Corrections", which ID's all my Canon lenses correctly.
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jwlimages
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« Reply #4 on: June 29, 2013, 11:43:11 AM »
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Code:
If you Google it...
Ah, thanks for this! Will try Victoria's suggestion.

Regards,

John
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