Generally, the telescope system will include {TAIL ~ a lower magnification}, coarser resolution, wider field of view extreme to enable search and acquisition functions during {HEAD ~ operation} of the system 
Generally , the telescope system will include { TAIL ~ a lower magnification } , coarser resolution , wider field of view extreme to enable search and acquisition functions during { HEAD ~ operation } of the system
OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH