Bug #1339

Panasonic DMC-TZ70 lens not detected

Added by Tim Stahel about 1 year ago. Updated about 1 year ago.

Status:ClosedStart date:10 Mar 2018
Priority:NormalDue date:
Assignee:Robin Mills% Done:


Category:lensEstimated time:1.00 hour
Target version:0.27


Output of exiv2 -pt FILENAME | grep -ai lens: Exif.Panasonic.ConversionLens Short 1 Off
Lens does not have a name so far as i know, the DMC-TZ70 does not have a removable lens.

Reported according to https://www.darktable.org/2015/02/on-lens-detection-and-correction/

P1090167.JPG (123 KB) Tim Stahel, 10 Mar 2018 18:20


#1 Updated by Robin Mills about 1 year ago

  • Category set to lens
  • Status changed from New to Assigned
  • Assignee set to Robin Mills
  • Target version set to 0.27

I'm not sure that I've understood this issue and Pascal's article is quite long. What output are you expecting from Exiv2 for the attached image?

In general Exiv2 does not manufacture metadata. It reports what it finds in the image. As you have observed, they have stored `Exif.Panasonic.ConversionLens Short 1`. Without knowing the camera, I don't know what that means. I've looked at a review of the DMC-TZ70 camera. I believe it has a fixed lens which cannot be replaced. So Panasonic haven't stored any metadata about the lens other than this "ConversionLens 1".

#2 Updated by Robin Mills about 1 year ago

  • Status changed from Assigned to Closed
  • % Done changed from 0 to 100
  • Estimated time set to 1.00

Tim: I'm going to mark this "closed". If you have new information about this, please update this issue and it will get my attention.

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