Specification Amount : 12.79 Binding : Electronics Brand : Fydun CurrencyCode : USD Label : Fydun Manufacturer : Fydun Model : Fydunqtx403agoy PackageDimensions : L:4.72440944400 X W:4.72440944400 X H:0.39370078700 PartNumber : Fydunqtx403agoy ProductGroup : Photography ProductTypeName : CAMERA_OTHER_ACCESSORIES Publisher : Fydun SmallImage_Height : 75 SmallImage_URL : https://m.media-amazon.com/images/I/419p84R1JwL._SL75_.jpg SmallImage_Width : 75 Studio : Fydun Title : Len Gear Ring Follow Focus 92mmLens Follow Focus Ring Zoom Gear Ring Flexible Gear Belt Ring Adjustable Follow Focus Len Gear Ring Belt for SLR DSLR Camera Camcorder Camera