Specification Brand : Carolina BulletPoint : 5x magnifying glass with led light, glass optical lenses BulletPoint1 : Large, 16"-diam, silver-backed mirror for demonstrations that can be seen from anywhere in the classroom BulletPoint2 : Features a 68-cm focal length BulletPoint3 : Unmounted. BulletPoint4 : Application: The double convex lens is a type of lens that is thicker at the center than at the edges and is used to gather light. It can make telescopes, suitable for a variety of applications, including scientific experiments, photography, and optical instruments. BulletPoint5 : Note: Remember to handle the lens with care to avoid scratches or damage to the surface. Color : Clear ConnectivityProtocol : Wi-Fi ConnectivityTechnology : USB CustomerPackageType : Frustration-Free Packaging ExternallyAssignedProductIdentifier1 : 840132658423 ExternallyAssignedProductIdentifier2 : 0840132658423 ExternallyAssignedProductIdentifier3 : 00849230044091 ItemDisplayDimensions_Length : 1.97 centimeters ItemDisplayWeight : 0.53 pounds ItemName : Demonstration Mirror, Concave ItemPackageDimensions_Height : 0.78 inches ItemPackageDimensions_Length : 5.31 inches ItemPackageDimensions_Width : 3.54 inches ItemPackageQuantity : 1 ItemShape : Rectangular ItemTypeKeyword : science-classroom-optics-kits ItemVolume : 1 cubic_centimeters MagnificationStrength : 5 multiplier_x Manufacturer : Carolina Biological Supply Company Material : Glass ModelName : NO ModelNumber : RSBC-256 MountingType : Wall Mount NumberOfItems : 1 NumberOfLithiumMetalCells : 1 NumberOfPieces : 1 PartNumber : 754977 Pattern : Solid ProductDescription : Large, 16-diam, silver-backed mirror for demonstrations that can be seen from anywhere in the classroom. Features a 68-cm focal length. Unmounted. ProductSiteLaunchDate : 2011-10-24T21:29:19.274Z RoomType : Classroom Style : Vintage SupplierDeclaredDgHzRegulation : unknown SupplierDeclaredHasProductIdentifierExemption : 1 SurfaceRecommendation : Glass TargetGender : unisex UnitCount : 1 UnspscCode : 56101544 WarrantyDescription : A WaterResistanceLevel : not_water_resistant