Feature: 1. High Performance: High light transmittance, high refractive index, brighter and clearer imaging. 2. Material: The mirror body is made of all metal materials, with fine workmanship and quality assurance. 3. Wide Field of View: Viewing is more comfortable, the lens will not be corroded or blurred, and the service life is long. 4. Standard Interface: The interface diameter is 23mm, and the microscope with the same aperture can be used. 5. Large Field of View: This wide angle eyepiece has magnification and is an excellent eyepiece collection for your microscope. Specification: Item Type: Microscope Lens Material: ABS, Optical Glass Model: WF25X Purpose: Magnify and Observe Objects Field of View: Approx.10mm / 0.4in Outer Diameter of Interface: Approx.23mm / 0.9in Lens Diameter: Approx.11mm / 0.4in Height: Approx.29mm / 1.1in Coating: Anti Reflection Coating Features: Wide Angle Eyepiece, High Eye Point, Large Field of View. Package List: 1 x Microscope Lens Note: Do not expose to direct sunlight!