Specification Brand : Cardinal Camera BulletPoint1 : Close-up lenses are for quick and easy close-up photography, which is screwed on to the front of a lens like a filter. These lenses have two achromatic elements to correct chromatic aberrations. They do not degrade the high optical performance of lenses BulletPoint2 : Close Up Filter : +10 Diopter Lens - Decreases Minimum Focusing Distance - Anodized Aluminum Filter Ring - Optical Grade Organic Glass - Plastic Storage Case with Cushion Liner BulletPoint3 : Your camera's lens thread size will be marked somewhere on the lens barrel or printed underneath your lens cap. This number is always preceded by a "Ø" (diameter) symbol. For example: Ø58 = 58mm lens thread size BulletPoint4 : Compatible with Sony Lens : FE 28mm f/2-22 Standard-Prime Lens ExternallyAssignedProductIdentifier1 : 0641796579235 ExternallyAssignedProductIdentifier2 : 641796579235 ItemName : 49mm Close-Up Filter (+10 Diopter) for Sony FE 28mm Standard-Prime Lens ItemPackageQuantity : 1 ItemTypeKeyword : camera-lens-diopters Manufacturer : Cardinal Camera PartNumber : CC_C49S28_040919 PhotoFilterEffectType : Close-Up PhotoFilterThreadSize : 43 millimeters ProductSiteLaunchDate : 2019-04-12T07:00:00.000Z WaterResistanceLevel : not_water_resistant