A further object of the present invention is to provide {HEAD ~ a multi position focusing device} with {TAIL ~ pads} when once in focus will remain in focus with each other for all positions thereof 
with
A further object of the present invention is to provide { HEAD ~ a multi position focusing device } with { TAIL ~ pads } when once in focus will remain in focus with each other for all positions thereof
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH