Specification Binding : Electronics Brand : Haoge Label : Haoge Manufacturer : Haoge Model : TJ-02+LPM-C684 PackageDimensions_Weight : 0.7495716908 PackageDimensions : L:5.99999999388 X W:3.99999999592 X H:1.99999999796 PartNumber : TJ-02+LPM-C684 ProductGroup : Photography ProductTypeName : CAMERA_OTHER_ACCESSORIES Publisher : Haoge SmallImage_Height : 75 SmallImage_URL : https://m.media-amazon.com/images/I/41FgMVl21pL._SL75_.jpg SmallImage_Width : 75 Studio : Haoge Title : Haoge Camera Lens Bayonet Support Bracket Protector for Canon EF 500mm f/4L is & is II, EF 600mm f/4L is & is II & is III and EF 800mm f/5.6L is Super Telephoto Lens Weight : 0.7 WeightUnit : pounds