brand new and high quality.Introductions:With this Lens Mount Adapter, you can mount Pentax PK K mount lens to be used on NEX-3 NEX-5 camera body. Features:Turn on 'shoot without lens' to use MF lenses with adapters.Use your LCD to for Focus, only operated in manual for focus mode (Auto for Focus is impossible).It allow for focus to infinityIt must turn on 'shoot without lens' setting of your NEX camera in order to use the adapterYou can use MF assist function to for focus accurately. (7x or 14x zoom for focus)Lens 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: for NEXLens Fitting: for Pentax lens Outer Diameter: 6.3cm/2.48''Inner Diameter: 4cm/1.57''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)