We are a big family of Panotwins ;-)
Be sure to take a look at the second panorama of Panotwin Markus
See the timelapse video
of the shooting!
The shooting was done with a custom-made lens bracket (see fig. 1)
mounted on top of a tripod. A similar setup was placed on the table and used for the second panorama. The custom lens bracket allowed us to turn around the no-parallax point of the lens.
As the lenses used were fisheye lenses, four pictures easily covered 360°. To be sure we took three exposures in each direction. The exposures were 2 f-stops apart. The best exposed set was chosen before stitching.
For each pair of twins we took a bracketed set of three images from each tripod. As the lighting changed over the shooting period (approx. one hour) I chose the best matching shot for blending.
I first stitched the sphere without the Panotwins. The resulting equirectangular image was used as an anchor for the seven additional shots of the Panotwins. For each pair of Panotwins I generated a separate layer, which was blended manually in Photoshop.