brand new and advantageous OOTDTY Features: For M39 mount lens to M42 camera physique Made of aluminium, It can be used with adapter ring for M42 to different mount digital camera body, thus M39 mount lens could be put in onto other mount digital camera body Mount Adapter Ring only, other equipment demo in the photograph isn't always included! Specification: Item Name: Mount Adapter Ring Material: Aluminium alloy Shape: Round Type: Lens Adapters Diameter: 4/1&;&; Color: Black Quantity: 1 Pc Note: 1 enable 1-3cm error because of manual dimension pls make sure you do not mind earlier than you bid 2 to the adaptation between various monitors, the picture might not replicate the actual coloration of the article Thank you! Package Includes: 1 x Mount Adapter Ring (without retail package)