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en:photo:equipment:canon-efs-10-22 [2011/05/20 21:46]
alex added calib data
en:photo:equipment:canon-efs-10-22 [2011/11/10 01:30] (current)
alex [LensFun Calibration Data]
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 ===== LensFun Calibration Data ===== ===== LensFun Calibration Data =====
  
-This is my [[http://​lensfun.berlios.de/​|LensFun]] entry for this lens.  The distortion values listed are the default values that are included with the library. ​ Unfortunately,​ following the [[http://​lensfun.berlios.de/​lens-calibration/​lens-calibration.html|lens calibration guide]], I was unable to get ''​tca_correct''​ to output ​values that gave any sort of improvement on the transverse chromatic aberration.  I just ended up manually selecting values for first order correction, producing a much better result than I could get from ''​tca_correct''​.  ​+This is my [[http://​lensfun.berlios.de/​|LensFun]] entry for this lens.  The distortion values listed are the default values that are included with the library. ​ Unfortunately,​ following the [[http://​lensfun.berlios.de/​lens-calibration/​lens-calibration.html|lens calibration guide]], I was unable to get ''​tca_correct''​ to output ​anything meaningful. ​ Most of the values were far off the scale that ufraw could deal with (ufraw/​lensfun wants +/- 0.01 but I was geting +/- 0.5 or more).  I just ended up manually selecting values for first order correction, producing a much better result than I could get from ''​tca_correct''​.  ​
  
 <​code>​ <​code>​