Feature: 1. HIGH PERFORMANCE: The microscope eyepiece lens has coating treatment, with high transmittance and refractive index, the image is brighter and clearer. 2. EXCELLENT MATERIALS: Using excellent aluminum alloy and optical glass, with fine workmanship, which is corrosion resistant and durable. 3. WIDE FIELD OF VIEW: High eye point wide angle eyepiece, which has 23mm field of view, wide field of view and more comfortable viewing. 4. STANDARD INTERFACE: With 30mm interface, the diameter of the lens body is 40mm, all stereo microscopes with the same diameter can be used. 5. EASY TO INSTALL: Wide angle eyepiece replacement, with standard size, can be used after connecting with microscope, which is easy to install. 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 Diameter: Approx. 40mm / 1.6in Lens Body Height: Approx. 57mm / 2.2in Application: Use eyepieces on continuous zoom stereo microscopes. Package List: 1 x Microscope Lens 1 x Sheath