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[Yuv <678705@xxxxxxxxxxxxxxxxxx>]

Re-reading this old wish of mine and ensuing thread, a few things come
to my mind:

1. after generating CP, run two optimization runs - one assuming
rectilinear and one assuming fisheye.  retain the best result.
applicable only to FoV < 16°

2. pre-calibrated lenses.  add a table for pre-calibrated lenses.
recognize them based on some exiv-combination / fingerprint (can't be
perfect, for example my Sigma 15mm is recognized as Minolta 15mm by
RAWstudio) and access a lens.ini file with all the information.

** Changed in: hugin
       Status: New => Triaged

** Changed in: hugin
   Importance: Undecided => Wishlist

-- 
suboptimal usage of EXIF data
https://bugs.launchpad.net/bugs/678705
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Status in Hugin - Panorama Tools GUI: Triaged

Bug description:
it seems to me that hugin assumes by default a rectilinear lens and calculates HFOV based on the focal distance reported by EXIF and that default assumption.

Is it possible to take the EXIF-FOV instead, and to infer the lens type by comparing the expected focal distance with the EXIF-focal_distance?

Also, if hugin is not able to determine the lens type, I'd prefer for it to leave it empty rather than default to rectilinear. Or to give the user a preference to set the default lens type if it can't be inferred.