Universal 17MM to 37mm/ 17mm to 52MM Phone Camera Lens Adapter Smartphone Ring Video Rig Lens Adapter 37mm/ 52mm Cpl Variable ND Filters Set Step Rings Android Phones 17mm to 52mm

High QualitProfessional manufacturingexquisite workmanshipthis camera Lens adaptor is made of high quality metal stainless steel DurableMoistureproof and waterproofsimple and generous appearancenot easy to loosenon deformationalso with corrosion resistant and glossy Unique DesignMobile phone camera lens adapter ringcan be mounted to the front of the lens and designed to fit securely to the lense yet can still be removed easily when not needed SizeThere are 2 size for you choicethe 17mm to 37mm17mm to 52mm stepping up mobile phone lens adapter ring accessories can install most of 37mm52mm size len filter such as cpl graduated nd neutral density filter to 17mm diameter lens Widely compatibilityThe 17mm thread camera lens ring adapters converter can use for all type of 17mm thread phone case phone clip phone video rig etc