Specification Binding : Electronics Brand : iShoot Color : Black Label : iShoot Manufacturer : iShoot PartNumber : ZP-IS-SM140 ProductGroup : Photography ProductTypeName : CAMERA_OTHER_ACCESSORIES Publisher : iShoot SmallImage_Height : 75 SmallImage_URL : http://ecx.images-amazon.com/images/I/412nF%2BBVVWL._SL75_.jpg SmallImage_Width : 75 Studio : iShoot Title : iShoot Lens Collar Support Tripod Mount Ring for Sigma 100-400mm f5-6.3 DG OS HSM Contemporary Lens Bottom is ARCA Fit Quick Release Plate Compatible with Tripod Ball Head of ARCA-Swiss/Kirk Fit