I did write up that I do this on regular occasion with raw files, right? G
On Thu, Jan 5, 2012 at 10:21 AM, Igor Roshchin <[email protected]> wrote: > > Thank Jostein, > > I'll try it, - maybe it will work. > My feeling is that the actual code conversion is built in into LR, > and it doesn't consult the .lcp file for that, but only uses > the .lcp file to match the lens and apply adjustments for it. > > The list of the lenses is definitely helpful. > Here is where the "collision" occurs for me: > > '3 29' = PENTAX-F 28-80mm F3.5-4.5 or Sigma or Tokina Lens > '3 29.1' = Sigma AF 18-125mm F3.5-5.6 DC > '3 29.2' = Tokina AT-X PRO 28-70mm F2.6-2.8 > > It is weird that there are two (!) values corresponding > to the same lenses: > '3 27' = smc PENTAX-F 28-80mm F3.5-4.5 or Tokina Lens > '3 27.1' = Tokina AT-X Pro AF 28-70mm F2.6-2.8 > > I wonder if the decimal values are actually in the Exif. > (I don't know if exiftool actually parses "Makernotes" part of > the EXIF, and also whether it can work on DNG files.) > > As for exiftools solutiona as describe on the Leica forum, - > I suspect it is only applicable for the JPEGs, and not for > the RAW files: the fields that are being replaced are not in the > Makernotes, but in the EXIF parts generated by the converter (LR). > > > Thank you, Jostein for the your interesting thoughts and insightful > information. > > Igor > > > > Tue Jan 3 03:54:54 EST 2012 > AlunFoto wrote: > > The lens name is not spelled out in letters inside the image file. > It is represented by a numerical code residing in the MakerNotes part > of the EXIF. > There is a list of codes mapped to names at Phil Harvey's webpages > (ExifTools): > http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Pentax.html#LensType > > My hope was that Lightroom could be coaxed to map a code to a different > name by providing a lens profile mapping the number to a Tokina name. I > imagined you wouldn't have to rename the file or create a separate Tokina > folder for it as long as it maps to the name you want for it. > > The problem of overlapping codes is not unique to Pentax/Tokina, btw. > Here's one thread that indicates an issue with Canon/Tamron: > http://www.canonrumors.com/forum/index.php?topic=649.15 > > It could be that your best solution is to use ExifTools directly. Some way > down this page there is a recipe for changing lens names for Leica files. > Should work for Pentax too, I think. > http://www.l-camera-forum.com/leica-forum/digital-post-processing-forum/135236-changing-lens-info-exif.html > > Hope it can be of some help. > Jostein > > > -- > PDML Pentax-Discuss Mail List > [email protected] > http://pdml.net/mailman/listinfo/pdml_pdml.net > to UNSUBSCRIBE from the PDML, please visit the link directly above and follow > the directions. -- Godfrey godfreydigiorgi.posterous.com -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.

