Hmmm, hugin seems to not suport circular cropping for images with "stereographic" projection. I'd still use that projection instead of "circular fish-eye" and use masks instead.

Carlos Eduardo G. Carvalho (Cartola) schrieb am 18.04.12 14:46:

By what you are saying maybe you still need to correctly set your lens
as a circular fish-eye one and make adequate optimizations, line v, b
and (I do this) at the end a "Everything without translation" to a final
line joining. That assumes you use a tripod head that makes the camera
rotate around the nodal point and is well calibrated, otherwise lines
wont join.

2012/4/18 Emad ud din Bhatt <[email protected] <mailto:[email protected]>>

    I have Canon 40d which is a cropped sensor.
    My Samyang is not shaved as I have cropped sensor DSLR.

    I create 360x180 panos. I have simply put 8mm in lens type and hugin
    automatically calculates values. But the final image has strange
    distorted look.

    On Wed, Apr 18, 2012 at 12:51 PM, Carl von Einem <[email protected]
    <mailto:[email protected]>> wrote:

        According to Michel Thoby
        http://michel.thoby.free.fr/SAMYANG/Early%20test%20report.html
        the lens uses stereographic projection.

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