Features Reliable Performance: Microscope lens has coating treatment, with high transmittance and refractive index, the image is brighter and clearer. Fine Workmanship: The microscope eyepiece body is made of aluminum alloy, with fine workmanship, light weight and corrosion resistance. Wide Angle Design: Microscope lens with 23mm field of view, and wide angle design, the viewing field is wider and the observation is more comfortable. 30MM Interface: The microscope lens with standard 30mm diameter interface, all stereo microscopes of the same diameter can be used, with good compatibility. Easy to Install: Equipped with sheath, the wide angle eyepiece has standard size for easy installation and replacement and a long service life. Specification: Item Type: Microscope Lens Material: Aluminum Alloy + Optical Glass Use: Microscope accessories Magnification: WF10X Field of View: Approx. 23mm / 0.9in Interface Diameter: Approx. 30mm / 1.2in Lens Diameter: Approx. 25mm / 1in Lens Body Height: Approx. 46.5mm / 1.8in Application: Use eyepieces on continuous zoom stereo microscopes Package List: 1 x Eyepiece 1 x Sheath Package List 1 x Eyepiece 1 x Sheath