On Thursday,  1 October 2020 at  7:33:02 -0700, Henk Tijdink wrote:
> Dear readers,
> I've bought a Meike circular fisheyelens 6.5 mm f2 for a MFT camera. and
> want to use it for making full spherical panorama's.
> You get than partly a circle  On the long side of the sensor it is shaved
> off. FOV there ca 120 degrees.
> Making 4 pictures at 90 degrees turn and in the demo of PTGUI it stitches
> perfectly.
> In Hugin however I can't get it all right.
> It finds control points between the images. I did the circular crop in the
> mask tab, but optimizing gives a very bad result.

I do this kind of panorama all the time using an Olympus 8 mm f/1.8
fisheye, also with 4 images, and it works fine.  If you can make the
images available online (NOT on this list!), I'll take a look at them,
at least in part because I was rather interested in this lens.

Greg
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