wwp@yahoogroups.com:
Re: Help PTgui Nikkor 10.5 lens setting
Uri Cogan 2005-Oct-09 02:35:00
Troy:
>The 10.5 is a fisheye lens. With fisheye lenses depending on the focal
>length of the lens and the size of the CCD on the camera it is possible
>to have either a circle (or most of a circle) or cropped in so much the
>circle is no longer visible ( full frame) fisheye lens. If the image
>produced is a circle or part of a circle then choose circular fisheye
>and crop all the image the same to eliminate the black. If the image
>fills the entire frame then choose full frame. Let the optimizer
>calculate the FoV ( field of view) of the lens
The Nikon 10.5 mm is a full-frame, rectangular fisheye with a
diagonal FOV of 180 degrees, about 87 degrees on the narrow side, and
135 degrees on the wide side. It's not possible to get a circular
image with this lens
--
Uri Cogan
http://www.uricogan.com
*** My Karma Ran Over My Dogma ***
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