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Post-Processing Digital Images
Faking EXIF descriptions to use DLO with Canon DPP
Apr 12, 2015 15:21:47   #
Peterff Loc: O'er The Hills and Far Away, in Themyscira.
 
This is a very specific request about Canon DPP, not about the many other wonderful products that are out there. Please by all means make other suggestions, but I would appreciate it if this thread did not become a debate about which processing tools are superior.

I am relatively new to the DSLR game ( 3years ) although not to photography in general (my first Canon SLR was an AE-1 in a 1976) and currently use a T3i with a few other things wrapped around it. Some of those wrappings are Canon manual focus lenses modified to work on EOS DSLRs with Ed Mika conversions: FL 55mm f/1.2, FD 135mm f/2.0, FD 35-105mm f/3.5, FD 500mm reflex f/8.0, and also a Samyang 8mm fisheye.

As all DPP users know, not only do we have differences with 'legacy' equipment support between DPP 3.x and DPP 4.x, but many current Canon lenses are not (yet) supported in DLO, and many older ones or off brand lenses probably never will be.

I have been playing with EXIF data in raw (.CR2) files using EXIFtool and it's associated GUI tool for Windows and also PhotoMe.

So far I have been able to create EXIF profiles with EXIFtoolGUI to at least display the actual lens descriptions etc. in DPP 3.x, so that something taken with say, an FD 135mm f/2.0 lens shows up as that. However that doesn't allow switching on the lens optimizations in DPP.

Using PhotoMe together with Canon lens tag numbers I have been able to (file by file) set the lens type, short and long focal length numbers to a supported lens type such as the EF 135mm F2L, and then use the lens optimization capabilities. Similarly for my other unsupported lenses. It is definitely an interesting experiment.

Have others tried this approach with Canon DPP and if so do you have any thoughts or guidance to offer?

The EXIF editing tools I am using seem to be fairly old (or at least the Windows GUI based versions), and not being maintained regularly so there may be better approaches.

Many thanks for any thoughts or ideas.

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Apr 13, 2015 05:56:25   #
Shakey Loc: Traveling again to Norway and other places.
 
I have never done this but a little research suggests that is pretty simple.
For more information check these links:

http://www.labnol.org/software/exif-data-editors/14210/

http://www.photome.de/

http://www.colorpilot.com/exif.html

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Apr 13, 2015 15:56:35   #
davidk2020 Loc: San Diego
 
You can add or change a heck of a lot of the Exif information in Windows Explorer. Right-click a photo, select Properties, then go to the Details tab. Use the tab key to go from field to field--that will show you what is editable and what isn't.

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Post-Processing Digital Images
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