[ptx] Getting EXIF data from coolpix 950 jpgs using hugin

Pablo d'Angelo pablo.dangelo at web.de
Fri Dec 2 07:37:20 GMT 2005


Kevin Hanser wrote:
> Quoting Pablo d'Angelo <pablo.dangelo at web.de>:

>> Hugin also needs information about the pixel size, because without it,
>> the focal length is meaningless.
>>
>> Some camera do not save both in the EXIF data. Can you email me a
>> example image privately?
>>
>> ciao
>>  Pablo
>>
> 
> I think what I actually meant was the "crop factor".  I'm not entirely
> sure how
> to determine this... I've been basing it on the F-stop and that seems to
> work
> ok, but I'm not sure if that's correct or not.  I will send you an image
> shortly...

The crop factor for your camera should be 5.48.  (Its the ratio of the
35 mm Film diagonal and the diagonal of the CCD chip in your camera).

Unfortunately this information is not stored in the EXIF information of
your camera, so you have to enter it by hand.

ciao
  Pablo


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