Specification Brand : JJC BulletPoint1 : Allows the camera lens to be fitted in its reverse position onto the camera body BulletPoint2 : Makes lens become a macro lens on camera body BulletPoint3 : When attached automatic diaphragm, auto-focusing, or any other functions will not operate correctly BulletPoint4 : Precision all-metal construction with chrome plated brass mounts for secure and solid fit BulletPoint5 : 24 Month Manufacturer Warranty Color : Black CompatibleMountings : For Nikon Configuration : Pro EffectiveStillResolution : 64 megapixels ExternallyAssignedProductIdentifier1 : 520864103674 ExternallyAssignedProductIdentifier2 : 0520864103674 ExternallyAssignedProductIdentifier3 : 6950291541208 ExternallyAssignedProductIdentifier4 : 06950291541208 FocalLengthDescription : No related Info. FocusType : Auto Focus FocusType1 : Auto Focus FocusType2 : Manual Focus HardwareInterface1 : pci_express_x16 HardwareInterface2 : pci_express_x16 HardwareInterface3 : pci_express_x16 HardwareInterface4 : pci_express_x16 HardwareInterface5 : pci_express_x16 IncludedComponents : Fotodiox Pro Lens Mount Adapter for Fujifilm G-Mount ItemName : JJC RR-EOS 58 mm Reverse Ring for Canon EOS Cameras ItemPackageDimensions_Height : 12.4 centimeters ItemPackageDimensions_Length : 2.3 centimeters ItemPackageDimensions_Width : 8.9 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : camera-lens-adapters LensDesign : Prime Manufacturer : JJC MaxAperture : 3.5 millimeters MaxFocalLength : 58 millimeters MinFocalLength : 14 millimeters ModelName : Olympus Zuiko (OM) 35mm SLR Lens to G-Mount GFX Mirrorless Camera ModelNumber : RR-EOS 58MM MountingType : For Nikon 58mm NumberOfItems : 1 NumberOfLithiumIonCells : 5 NumberOfLithiumMetalCells : 5 OpticalZoom : 1 multiplier_x PackageLevel : unit PartNumber : RR-EOS 58MM ProductDescription : The lens mapping upgrade includes an activation code, 5x pre-marked focus rings + 1x pre-marked iris ring. CTRL.1 introduces built-in lens mapping, which allows for auto-calibrating lenses to pre-marked focus rings and accessing configurations at any time with the touch of a button. Pre-marked rings cover multiple lenses, saving time on set from manually calibrating after every lens swap. CTRL.3 and CTRL.1 feature the world’s first lens data overlays on SmallHD monitors running OS3. Get critical follow focus information directly on your monitor including lens focal distance, focal length, iris, zoom and more. ProductSiteLaunchDate : 2012-08-09T07:23:28.239Z RealAngleOfView : 10 Size : Olympus OM 35mm SkipOffer : 1 StreetDate : 2010-06-04T00:00:01Z Style : Olympus Zuiko (OM) 35mm SupplierDeclaredDgHzRegulation : not_applicable WarrantyDescription : See Owners Manual