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Feature #1170

Sigma 35mm F1.4 DG HSM on Canon 6D

Added by Robin Mills over 3 years ago. Updated about 3 years ago.

Status:
Closed
Priority:
Normal
Assignee:
Category:
lens
Target version:
Start date:
22 Mar 2016
Due date:
% Done:

100%

Estimated time:
10.00 h


Related issues

Related to Exiv2 - Feature #1034: Camera accessory overflow fileClosed19 Feb 2015

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Associated revisions

Revision 4236 (diff)
Added by Robin Mills over 3 years ago

#1170. Thank you, Marcus for reporting this and providing the test data.

Revision 4237 (diff)
Added by Robin Mills over 3 years ago

#1170 Correction to r4236

History

#1

Updated by Robin Mills over 3 years ago

Fix submitted r4236. Thank You, Marcus for reporting this and providing the test data.

The Fix is almost trivial, not even one line. Before:

560 rmills@rmillsmbp:~/gnu/exiv2/trunk $ exiv2 -pa --grep apertu/i --grep lens/i http://dev.exiv2.org/attachments/download/988/testimage.jpg
Exif.Photo.ApertureValue                     Rational    1  F1.4
Exif.CanonCs.LensType                        Short       1  Canon EF 17-35mm f/2.8L
Exif.CanonCs.Lens                            Short       3  35.0 mm
Exif.CanonCs.MaxAperture                     Short       1  F1.4
Exif.CanonCs.MinAperture                     Short       1  F16
Exif.CanonCs.DisplayAperture                 Short       1  0
Exif.CanonSi.TargetAperture                  Short       1  F1.4
Exif.CanonSi.ApertureValue                   Short       1  F1.4
Exif.Canon.LensModel                         Ascii      74  35mm
Exif.Photo.LensSpecification                 Rational    4  35/1 35/1 0/1 0/1
Exif.Photo.LensModel                         Ascii       5  35mm
Exif.Photo.LensSerialNumber                  Ascii      11  0000000000
561 rmills@rmillsmbp:~/gnu/exiv2/trunk $
After:
562 rmills@rmillsmbp:~/gnu/exiv2/trunk $ exiv2 -pa --grep apertu/i --grep lens/i http://dev.exiv2.org/attachments/download/988/testimage.jpg
Exif.Photo.ApertureValue                     Rational    1  F1.4
Exif.CanonCs.LensType                        Short       1  Sigma 35mm f/1.4 DG HSM
Exif.CanonCs.Lens                            Short       3  35.0 mm
Exif.CanonCs.MaxAperture                     Short       1  F1.4
Exif.CanonCs.MinAperture                     Short       1  F16
Exif.CanonCs.DisplayAperture                 Short       1  0
Exif.CanonSi.TargetAperture                  Short       1  F1.4
Exif.CanonSi.ApertureValue                   Short       1  F1.4
Exif.Canon.LensModel                         Ascii      74  35mm
Exif.Photo.LensSpecification                 Rational    4  35/1 35/1 0/1 0/1
Exif.Photo.LensModel                         Ascii       5  35mm
Exif.Photo.LensSerialNumber                  Ascii      11  0000000000
563 rmills@rmillsmbp:~/gnu/exiv2/trunk $

#2

Updated by Robin Mills over 3 years ago

#1034 The user can put the file .exiv2 (in .ini format) in their home directory and define a new lens:

[canon]
169=Sigma 35mm F1.4 DG HSM ART

Exiv2 will consult that file and use definitions in preference to what's compiled into the library. Let's not discuss the performance implication. I'll find a way to make it very fast (don't read if not necessary, then read/cache).

#3

Updated by Robin Mills over 3 years ago

  • Estimated time changed from 6.00 h to 10.00 h
#4

Updated by Robin Mills about 3 years ago

  • Status changed from Assigned to Closed
  • % Done changed from 80 to 100

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