Specification Amount : 11.39 Binding : Electronics Brand : Fydun CurrencyCode : USD Label : Fydun Manufacturer : Fydun Model : Fydun681kgoixpc PackageDimensions : L:2.36220472200 X W:2.36220472200 X H:0.78740157400 PartNumber : Fydun681kgoixpc ProductGroup : Photography ProductTypeName : CAMERA_OTHER_ACCESSORIES Publisher : Fydun SmallImage_Height : 75 SmallImage_URL : https://m.media-amazon.com/images/I/41igSzJHo2L._SL75_.jpg SmallImage_Width : 75 Studio : Fydun Title : Lens Adaptor Ring with Back Cap for C Mount Lens to for J1/J2/J3/J4/J5/V1/V2/V3 Alloy Lens Conversions Ring with Lens Back Cap