Specification Binding : Electronics Brand : NiSi Label : NiSi Manufacturer : NiSi Model : N-554537 NumberOfItems : 1 PackageDimensions_Weight : 0.1984160358 PackageDimensions : L:4.3307086570 X W:4.3307086570 X H:0.8661417314 PartNumber : NIR-TCVNDSWIFT-AD77 ProductGroup : Photography ProductTypeName : CONSUMER_ELECTRONICS Publisher : NiSi Size : 77mm SmallImage_Height : 75 SmallImage_URL : https://m.media-amazon.com/images/I/317AaE8fz7L._SL75_.jpg SmallImage_Width : 75 Studio : NiSi Title : NiSi Swift System 77mm Adapter | Adapter for Swift Circular Filters on 77mm Thread Cameras | Photography and Videography Weight : 0.2 WeightUnit : pounds