Specification Brand : SKYZHENG BulletPoint1 : 【1】28mm to 52mm Step-Up Ring Filter Adapter BulletPoint2 : 【2】Made of high-quality anodized aluminum,the ring has a strict surface treatment to avoid shaking or cross threading, and the ultra-thin design makes it durable and practical. BulletPoint3 : 【3】Compatibility: Compatible with all 28mm camera lenses & 52mm accessories. BulletPoint4 : 【4】How do I find my filter thread size? Your lens thread size will be printed underneath your lens cap or written somewhere on the lens barrel. Please do make sure to order the correct size otherwise it will not fit on your camera lens. BulletPoint5 : 【5】30-day quality assurance, worry-free returns and exchanges, please contact us if you have any questions! Color : 28mm to 52mm ExternallyAssignedProductIdentifier : 4957638900164 ExternallyAssignedProductIdentifier1 : 847628537224 ExternallyAssignedProductIdentifier2 : 0847628537224 IncludedComponents : No components ItemName : 28mm to 52mm Step up Ring Filter Adapter Metal Ring Step up Rings Adapter Filter Compatible with All 52mm UV,CPL,ND,Lens Hood,Threaded Lens ect (28mm to 52mm) ItemPackageDimensions_Height : 0.39 inches ItemPackageDimensions_Length : 3.14 inches ItemPackageDimensions_Width : 3.14 inches ItemPackageQuantity : 1 ItemTypeKeyword : camera-lens-filter-step-down-rings Manufacturer : SKYZHENG MaxFocalLength : 58 millimeters MinFocalLength : 52 millimeters ModelNumber : SKY240109 NumberOfItems : 1 PartNumber : SKY240109 PhotoFilterEffectType : Enhancing PhotoFilterEffectType1 : Ultraviolet PhotoFilterEffectType2 : Graduated Neutral Density PhotoFilterThreadSize : 48 millimeters ProductDescription : Step-Down Ring Step-up Ring Filter Adapter ,for All Brands UV ND CPL, Metal Ring ProductSiteLaunchDate : 2024-01-10T00:40:24.012Z Size : 55mm→48mm SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 WarrantyDescription : 30 day refundable and exchangeable WaterResistanceLevel : not_water_resistant