© 2013 Tom! Striewisch, All Rights Reserved.
... it's not only a matter of size, but also of the point of view.
Some additional information about fisheye-lenses and panoramas
Some panoramas of car interieurs
Some "How-To" Movies on covering the nadir of a spherical panorama
Tokina 10-17mm at 12mm (shaved)
Special Ring Adapter
Quechua walking stick (as a monopod)
Lightroom
PTGui
Photoshop
Pano2VR for the nadir