Specification Amount : 999.00 Binding : Electronics Brand : Neewer CurrencyCode : USD Label : NEEWER Manufacturer : NEEWER Model : 10100878 PackageDimensions_Weight : 0.3968320716 PackageDimensions : L:5.1181102310 X W:4.7637795227 X H:2.3622047220 PartNumber : 10100878 ProductGroup : Photography ProductTypeName : CAMERA_OTHER_ACCESSORIES Publisher : NEEWER SmallImage_Height : 75 SmallImage_URL : https://m.media-amazon.com/images/I/51vSep7AxqL._SL75_.jpg SmallImage_Width : 75 Studio : NEEWER Title : NEEWER EOS EF to RF Lens Adapter, Auto Focus Lens Mount Adapter with Control Ring, Compatible with Canon EF/EF-S Lens EOS R EOS Ra EOS RP EOS R5 EOS R6 EOS R3 - NW-EF-EOSR ARC, Max Load: 4.4lb/2kg Weight : 0.4 WeightUnit : pounds