Item Type: Lens Adaptor Material: Alloy+Plastic Color: Black Weight: Approx. 26.0g/0.9oz Applicable Lens: C?Mount Lens Applicable Camera: for Nikon J1/J2/J3/J4/J5/V1/V2/V3 Camera 1C?mount lens can be attached to for Nikon J1/J2/J3/J4/J5/V1/V2/V3 camera by C?N1adapter ring. 2Made of high?quality alloy, sturdy and durable, the surface is painted to prevent oxidation and corrosion, and feel comfortable. 3Precise and accurate processing, strict fit, precise fit and no light leakage, high performance. 4Equipped with lens back cap, which can be installed on the lens together with the adapter ring to protect the lens from dust. 5Carefully welding, precise hole position, complete functions, portable and lightweight, take no burden.1 xLens Adaptor 1 xLens BackCap