{HEAD ~ an image capturing element} configured to receive object light and generate {TAIL ~ image signals} representing an object image 
configured to generate
{ HEAD ~ an image capturing element } configured to receive object light and generate { TAIL ~ image signals } representing an object image
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH