HELLO, THE ITALIAN YUNEEC GROUP SOLVED THE PROBLEM,
DOING THE RE-FOCUS, THE PROBLEM OF LIVE AND MISSING A 1/4 TURN TO BE PERFECTLY FOCUSED,
YOU MUST OPEN THE LIVE WITH CAUTION, REMOVE THE LENS , REDO THE FOCUS WITH 2 POINTS OF GLUE STOP THE LENS , ONLY PROBLEM IS LOST THE WARRANTY OFFICIAL...