brand new and high quality. Features:M42 Mount lens to for Olympus/for Panasonic micro 4/3(Micro Four thirds)adapterMake M42 mount lens can be used on Micro 4/3 System camerasThere is no ROM connection on the ring so diaphragm control of the lens is set manuallyIt is possible to use macro rings and other accessoriesIt allows to for infinity focusLens mount adapter only, other accessories demo in the picture is not included Specification:Item Name: Lens mount adapterMaterial: Aluminium alloyShape: RoundType: Extension TubesCamera/Camcorder Fitting: M4/3Lens Fitting: M42Size: Outer Diameter: 6cm/2.36''Inner Diameter: 4.2cm/1.65''Color: Black+SilverQuantity: 1 PcNote: 1.Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package includes:1 x Lens mount adapter (without retail package)