Specification BatteriesRequired : 1 Brand : quantaray BulletPoint1 : 【1】52mm to 77mm Step Up Ring Compatible with all 82mm camera lenses & 77mm accessories. BulletPoint2 : 【2】The first number of an adapter ring is always the lens thread size,the second number is the filter size of the accessory. BulletPoint3 : 【3】High quality material,Special aviation aluminum alloy, with high mesh mechanical sandblasting and environmentally friendly anodizing on the surface, and a pure matte black color. High strength, impact resistance, deformation resistance, and compression resistance. Greatly reduces the thickness and weight of the main body. BulletPoint4 : 【4】 Please make sure to order the correct size, otherwise it will not fit your camera lens. Your lens size will be printed under the lens cover or written somewhere on the lens. BulletPoint5 : 【5】30 day warranty period, can be returned or exchanged at any time. CameraFlash : Slave Color : 52mm-77mm CompatibleMountings : Minolta Alpha CompatibleMountings1 : Olympus CompatibleMountings2 : Panasonic CompatibleMountings3 : Nikon CompatibleMountings4 : Fujifilm ConnectivityTechnology : Wired ExternallyAssignedProductIdentifier1 : 0081097530786 ExternallyAssignedProductIdentifier2 : 081097530786 Hazmat : 9 IncludedComponents : No components ItemName : Quantaray QAF 6600 Dedicated Flash for Minolta 35mm Auto Focus Cameras ItemPackageDimensions_Height : 2 inches ItemPackageDimensions_Length : 6 inches ItemPackageDimensions_Width : 4 inches ItemPackageQuantity : 1 ItemTypeKeyword : on-camera-shoe-mount-flashes Manufacturer : Akai ModelNumber : SKY0901 NumberOfItems : 1 PartNumber : 531660785 ProductDescription : The Quantarary QAF 6600 is a small TTL flash unit with big flash features. It has bounce and can be used as a macro flash, fill-flash, hair light, or as a background slave unit. The QAF 6600 provides adequate power in a small package. It has a variable flash head offering a 7 degree downward flash tilt position and up to 90 degree tilt for bounce. ProductSiteLaunchDate : 2003-06-18T00:00:00-00:00 SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 WarrantyDescription : 30 day refundable and exchangeable WirelessCommunicationTechnology : Optical Pulse