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 FocalLengthDescription : 72 mm FocusType : Auto Focus ItemName : Sony Alpha DSLR-A850 10x High Definition 2 Element Close-Up (Macro) Lens (52mm) ItemPackageQuantity : 1 ItemTypeKeyword : camera-lens-diopters Manufacturer : Digital Nc ModelName : Digital Nc ModelNumber : CL10CKSONA850-52 PartNumber : CL10CKSONA850-52 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 like a filter. 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 : 2011-08-14T06:40:44.442Z