Features HIGH PERFORMANCE: The lens coating of the microscope eyepiece has high light transmittance, high refractive index, and the image is brighter and clearer. HIGH QUALITY MATERIAL: The lens body of the eyepiece is made of all metal material, with fine workmanship, strong and stable, and very durable. WIDE ANGLE: The wide angle eyepiece has a wide field of view and is more comfortable to watch. The lens will not corrode and bloom, and has a long service life. 30MM INTERFACE: Standard interface, the diameter of the eyepiece interface is 30mm, and the same diameter stereo microscope can be used. MICROSCOPE ACCESSORIES: This high definition eyepiece is a laboratory microscope accessory with a magnification of WF10X and is easy to install. Specification: Item Type: Eyepiece Model: WF10X/22 Material: Aluminum Alloy + Optical Glass Field of View: Approx. 22mm/0.87in Interface Diameter: Approx. 30mm/1.18in Lens Diameter: Approx. 25mm/0.98in Mirror Body Height: Approx. 52mm/2.0in Magnification: WF10X Use: Microscope Accessories Application: Use Eyepieces on Continuous Zoom Stereo Microscopes Package List:1 x Eyepiece Note:Please allow some errors due to manual measurement. Package List 1 x Eyepiece