Specification Brand : K&F Concept BulletPoint1 : Allows to use FD Mount lens to EOS M Mount camera body. BulletPoint2 : High quality provides great protection and shock absorption for your lenses, water-resistant. BulletPoint3 : Please note: It is not same between FD mount and EF mount, this adapter ring is only for FD mount lens, please contact us if you want to purchase for EF mount lens. BulletPoint4 : Please note: Infinity focus position:the position of the infinity mark 【∞】of the telephoto lens or super telephoto lens is shifted slightly to the positive side to enable focus adjustment even when focus shift is caused due to temperature changes.The shift range is denoted by an L-shaped line, Be sure to check the focus through the viewfinder even when you shoot at infinity. BulletPoint5 : Package includes: 1 X Ring Adapter Mount Color : Black CompatibleDevices : Lenses with a 77 mm filter thread DigitalZoom : 82 multiplier_x ExternallyAssignedProductIdentifier : 4589551453504 ExternallyAssignedProductIdentifier1 : 812759011110 ExternallyAssignedProductIdentifier2 : 0812759011110 ExternallyAssignedProductIdentifier3 : 00812759011110 IncludedComponents : Adapter Rings for L (Z) Series Filter Holder ItemName : K&F Concept FD to EOS M Adapter, Lens Mount Adapter for FD Mount Lens and EOS M Mount Camera ItemPackageDimensions_Height : 8.2 centimeters ItemPackageDimensions_Length : 4.6 centimeters ItemPackageDimensions_Width : 7.6 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : flash-adapter-rings LensDesign : Prime Manufacturer : Shenzhen Zhuoer Photograph Material : Metal MaxFocalLength : 58 millimeters MinFocalLength : 52 millimeters ModelNumber : KF06.138 NumberOfItems : 1 PackageLevel : unit PartNumber : KF06.138 PhotoFilterEffectType : Neutral Density PhotoFilterThreadSize : 1 millimeters ProductDescription : adapter ProductSiteLaunchDate : 2015-07-10T00:00:00.000-07:00 Size : 52-58mm StreetDate : 2019-05-21T00:00:01Z Style : Reverse Ring SupplierDeclaredDgHzRegulation : not_applicable WarrantyDescription : 1 year Manufacturer WaterResistanceLevel : water_resistant