Feature:1. [Imaging Clearly] The microscope eyepiece has high light transmittance, high refractive index, and the imaging is brighter and clearer.2. [Wide View] Viewing is wide and more comfortable, the lens will not be corroded or blurred, and the service life is long.3. [Fine Workmanship] This microscope eyepiece mirror body has good workmanship and quality assurance, so you can use it with confidence.4. [Widely Use] Adopts a standard interface, the interface diameter is 23mm, and it can be used with microscopes of the same aperture.5. [Material] Made of high quality aluminum alloy and optical glass materials, the microscope eyepiece is sturdy and durable.Specification:Item Type: Microscope EyepieceMaterial: Aluminum Alloy, Optical GlassModel: W30XPurpose: Magnify and Observe ObjectsMagnification: 30 TimesOuter Diameter of Interface: Approx. 23.2mm / 0.9inLens Diameter: Approx. 21mm / 0.8inHeight: Approx. 54.5mm / 2.1inCoating: Anti Reflection Coating.Package List:1 xMicroscope Eyepiece