1- BRAND NEW BLACK NON REFLECTIVE RAGECAMS USA DEVELOPED FOCUS RING PUSH ON ATTACHMENT FOR MANY M12 LENSES, WHICH IS REALLY NICE FOR THE HERO3/HERO3 PLUS CAMERA LINE BECAUSE YOU CAN INSTALL OUR 16MM LENS IN THE CAMERA THEN PUSH DOWN THE FOCUS RING TO KEEP THE LENS LEVEL/FLUSH & LOCK/HOLD FOCUS WITH THE LENS BEZEL WHICH IS VERY IMPORTANT TO ASSURE THE LENS WILL STAY IN FOCUS EVEN IN REALLY HIGH VIBRATION APPLICATIONS.
PERFECT FIT FOR THE RAGECAMS 16MM LENS ONLY, SPECIAL DESIGN & WILL STILL FIT IN THE WATERPROOF CASE FOR HERO3 & NEW HERO3 PLUS WATERPROOF CASES.
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YOU COULD ALSO GLUE THE INSIDE OF THE FOCUS RING TO SET YOUR LENS EXACTLY HOW YOU NEED IT TO LAY FLUSH AFTER YOU BORE IT OUT, BUT IT IS SENT TO YOU AS A STOCK FOCUS RING AND PUSHES ON MINI M12 LENSES TIGHT SO YOU CAN SLIDE THEM IN THE HOLDER WITH PRECISION ALIGNMENT WHICH IS VERY IMPORTANT TO KEEP THE LENS LEVEL OR YOU WILL GET BLURRY/SOFT CORNERS IN YOUR VIDEO