michael przewrocki
Posts: 720
Location: basel, Switzerland
Registered: 19 Nov 2004
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michael przewrocki
Posts: 720
Location: basel, Switzerland
Registered: 19 Nov 2004
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John Houghton
Posts: 2265
Location: Hitchin, United Kingdom
Registered: 17 Jan 2005
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Re: panorama instructions
Posted: 12 May 2008 at 7:22 GMT
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michael przewrocki said: most clever nodal-point-finding-solution
Michael, This is hardly a "clever" solution; merely the standard one that people have been using for years. It is not even an adequate description in the case of fisheye lenses, since it fails to take account of the shift of the entrance pupil (not nodal point, of course) for off axial rays.
John
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michael przewrocki
Posts: 720
Location: basel, Switzerland
Registered: 19 Nov 2004
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Re: panorama instructions
Posted: 13 May 2008 at 9:12 GMT
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that is certainly the problem analogue-rotapancams have when using fisheye, right? i was told it can be handled better with digital. since my sins are limited i did not quite understand. maybe with drawings.
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Hans Nyberg
Posts: 819
Location: Denmark
Registered: 28 Aug 2005
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Re: panorama instructions
Posted: 13 May 2008 at 9:41 GMT
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Rotational panoramic cameras are not very sensitive for the entrance pupil.
Actually most of them do not at all use it for rotation.
As the width of the area scanned is very small you do not get any parallax problem.
Only Panoscan seems to have a rotation close to the front of the fisheye.
www.panoscan.com/
Spheron is not rotated at the entrance point.
Hans
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