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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]
@@ Line 5: / Line 5: @@
 ===== 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''.
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