ENG-9After autofocusing in the AF mode or AF operationin the ONE SHOT AF mode, focus manually bypressing the shutter button halfway and turning thefocusing ring (Full-time manual focus).To shoot in autofocus (AF) mode, set the focusmode switch to AF.To use only manual focusing (MF), set the focusmode switch to MF, and focus by turning thefocusing ring.●● Quickly rotating the focusing ring may result indelayed focus.●● Manual focus adjustments are not possible whenthe camera is OFF.3. Setting the Focus Mode

Canon 0571C005 Instructions Manual