A second embodiment of the present invention is provided for overcoming the above problems of the first embodiment and includes {TAIL ~ structural components} for providing {HEAD ~ a feature} of Spot Wobble Defocus 
A second embodiment of the present invention is provided for overcoming the above problems of the first embodiment and includes { TAIL ~ structural components } for providing { HEAD ~ a feature } of Spot Wobble Defocus
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH