1、Sample Observation: This product is a microscope accessory, which is a wide angle lens used with a microscope to better observe the different structures of the sample. 2、Wide Field View: The wide angle ratio of the microscope eyepiece is 10X, the field view is 20MM, and the field fiew is wide. 3、Reliable Material: Microscope eyepiece is made of premium materials and precision manufacturing process, provide clear details, the pursuit of more details of observation. 4、Easy to Install: Microscope eyepiece uses the ordinary installation, can be installed to the corresponding position by a click, simple and convenient. 5、Quality Service: If you have any questions about this product, you can contact us at any time. We have a professional customer service team and will provide you with the best quality service. 2 x Microscope Eyepiece Product Name: Microscope eyepieceMaterial: MetalMagnification: WF10XField View: Approx. 20mm / 0.8inInstallation Size (Diameter) : Approx. 30mm / 1.2inQuantity: 2 pieces (pair)Microscope Set: Stereo microscopeFeatures: Wide vision, high eye pointFor example, WF10X/20MM wide Angle multiple 10X and field view range 20MM