Specification Brand : VILTROX BulletPoint1 : 【Compatibility】EF-Z2 speed booster is suitable for Canon EF Lens to Nikon Z Cameras:such as Z5/Z50/Z6/Z6II/Z7/Z7II/Z8/Z9/Zfc. BulletPoint2 : 【Auto Focus】VILTROX EF-Z2 can provide you with a fast and smooth focusing experience.Simply pressing the shutter to focus is the foundation of obstacle free creation. BulletPoint3 : 【0.71x Focal Reducer Booster】VILTROX EF-Z2 mount adapter is reduced Image Focal Length. The focal length is multiplied by 0.71 based on the original, which helps enlarge 1 level aperture. More elements will be included in your image and looks more plentiful. BulletPoint4 : 【Durable and sturdy design】The EF-Z2 adapter using zinc alloy technology,stable and reliable. Equipped with USB port and could achieve Firmware Upgrade; with 1/4 screws at the bottom, which can easily installed on the tripod or other fixed bracket.Brass Plating Bayonet, provide precision combination of camera and lens.Weighing only 268g. BulletPoint5 : 【USB firmware upgrade】VILTROX EF-Z2 speed booster lens adapter has a built-in firmware upgrade interface, which is compatible with new models appearing on the market,makes the adapter ring more applicable Color : Sxc38966 CompatibleMountings : Nikon F ExternallyAssignedProductIdentifier1 : 764256787169 ExternallyAssignedProductIdentifier2 : 0764256787169 ExternallyAssignedProductIdentifier3 : 4589457585507 FocusType1 : Manual Focus FocusType2 : Auto Focus IncludedComponents : adapter ItemName : Viltrox EF-Z2 Autofocus Speed Booster Adapter Camera,Autofocus Speed Booster Adapter Compatible for Canon EF Lens to Nikon Z Camera Z5/Z50/Z6/Z6II/Z7/Z7II/Z8/Z9/Zfc ItemPackageDimensions_Height : 3.94 inches ItemPackageDimensions_Length : 2.44 inches ItemPackageDimensions_Width : 4.33 inches ItemPackageQuantity : 1 ItemTypeKeyword : camera-lens-adapters LensDesign : Prime Manufacturer : VILTROX Material : Aluminum ModelNumber : FSEF-Z21025 NumberOfItems : 1 PartNumber : FSEF-Z21025 ProductDescription : Key Features Canon EF Lens to Nikon Z Camera Body Maintains Autofocus Copper Contacts Optical Multiplier