Noun: refocusing  ree'fow-ku-sing

1. Focusing again
   "The photographer's refocusing of the lens captured the subject in sharp detail"

Verb: refocus (refocused,refocusing,refocuses, also refocussed,refocussing,refocusses)  ree'fow-kus

1. Put again into focus or focus more sharply
   "refocus the image until it is very sharp"
    
2. Focus once again
   "The physicist refocused the light beam"
    
3. Focus anew
   "The group needs to refocus its goals"

Type of: concenter [US], concentre [Brit, Cdn], focalisation [Brit], focalise [Brit], focalization, focalize, focus, focusing, sharpen