Specification Brand : Digital Nc BulletPoint1 : High Definition (Beveled Design) +10 Close-Up Lens BulletPoint2 : High-Index / Low-Dispersion 2 Element Optical Glass BulletPoint3 : Fully Multi-Coated & Threaded BulletPoint4 : Anti-Reflection Coating BulletPoint5 : High Speed Auto-Focus / Infrared Compatible BulletPoint6 : Cap Should Fitx Snuggly But Not So Tight That It Is Hard To Remove Color : 58mm ExternallyAssignedProductIdentifier1 : 0021331496485 ExternallyAssignedProductIdentifier2 : 021331496485 IncludedComponents : 50mm Push-On Lens Cap ItemName : Sony Alpha DSLR-A550 10x High Definition 2 Element Close-Up (Macro) Lens (77mm) ItemPackageDimensions_Height : 10.8966 centimeters ItemPackageDimensions_Length : 1.397 centimeters ItemPackageDimensions_Width : 7.0104 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : camera-lens-diopters Manufacturer : Digital Nc MaxAperture : 1.8 f_stop MaxFocalLength : 58 millimeters MinAperture : 1 millimeters MinFocalLength : 55 millimeters ModelName : Digital Nc ModelNumber : 5823669543 NumberOfItems : 1 PartNumber : CL10SONA550-77 ProductDescription : Optics close-up lenses are for quick and easy close-up photography. The close-up lens is screwed on to the front of a lens which has a 77mm filter thread. This lens has two achromatic elements to correct chromatic aberrations. They do not degrade the high optical performance resulting from your cameras natural lens. ProductSiteLaunchDate : 2011-06-07T04:34:44.505Z Size : 62mm SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredDgHzRegulation1 : not_applicable SupplierDeclaredDgHzRegulation2 : not_applicable SupplierDeclaredDgHzRegulation3 : not_applicable SupplierDeclaredDgHzRegulation4 : not_applicable SupplierDeclaredDgHzRegulation5 : not_applicable WarrantyDescription : Limited 1-Year Manufacturer Warranty