Specification Brand : AmScope BulletPoint1 : Magnification: 20X; Field of view: 10mm; Mounting size: 23.2mm in diameter BulletPoint2 : 1-year warranty against manufacturing defects BulletPoint3 : Diameter: 3 mm, 4 mm, 5 mm, 30 mm, 35 mm, 40 mm, 42 mm, 50 mm, 60 mm, 80 mm, 100 mm. BulletPoint4 : Perfect microscope accessories, exquisite workmanship, can be widely used in microscope. With good durability and stability. BulletPoint5 : You can reach us anytime for any query and I'll available 24x7 to assist you, have a good day. Color : 3 Mm 100 Pcs ExternallyAssignedProductIdentifier : 9586896515770 ExternallyAssignedProductIdentifier1 : 670541467978 ExternallyAssignedProductIdentifier2 : 0670541467978 ItemName : OMAX A Pair of WF20X Widefield Microscope Optical Eyepiece 23.2mm ItemPackageDimensions_Height : 48 centimeters ItemPackageDimensions_Length : 65 centimeters ItemPackageDimensions_Width : 35 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : microscope-lenses MagnificationMaximum : 20 multiplier_x Manufacturer : OMAX ModelNumber : X2AEM620 NumberOfItems : 1 PartNumber : X2AEM620 PowerSourceType : Corded Electric ProductDescription : This is a pair of brand new wide field 20x microscope eyepieces for most biological microscopes. These eyepieces work with any microscope that has a 23.2mm standard size eye tubes. ProductSiteLaunchDate : 2013-09-26T17:52:40.618Z UnspscCode : 41111700