Specification Binding : Electronics Brand : Vello Label : Vello Manufacturer : Vello Model : ESS-EC7G PackageDimensions_Weight : 0.081250 PackageDimensions : L:5.00 X W:5.00 X H:0.30 PartNumber : ESS-EC7G ProductGroup : Photography ProductTypeName : CAMERA_OTHER_ACCESSORIES Publisher : Vello SmallImage_Height : 75 SmallImage_URL : http://ecx.images-amazon.com/images/I/41AHq6JribL._SL75_.jpg SmallImage_Width : 75 Studio : Vello Title : Vello ESS-EC7G Large Eyecup for Glasses for Canon 18mm Eyepieces Weight : 0.1 WeightUnit : pounds