Features Application: The microscope wide angle eyepiece can be used in the lens barrel of a biological microscope with a diameter of 23.2mm, suitable for the most common size compound biological microscope Wide-angle eyepiece: The field of view of the wide-angle eyepiece is more than 50% larger than that of the ordinary eyepiece, the image is bright and clear, the effect is clearer, and the eyes are not easy to fatigue during observation Wide-angle eyepiece: Biological microscopes eyepiece adopts universal wide-angle eyepiece, metal lens barrel, high-quality optical lens, surface antireflection coating, wide field of view, clear imaging 10X magnification: The microscope wide-angle eyepiece can be magnified to 10X, with a wide field of view, clear imaging, and detailed observation. It is a good helper for your biological experiments Size: The diameter of the connector is 23.2 cm/9.1 inches, and the weight is about 50g/1.8oz. It is small and light, and does not weigh down. It is very suitable for you to use when you are doing observations. Features: The microscope wide-angle eyepiece is used in the lens cone with the diameter of 23.2mm. The Wide-angle eyepiece has a view field more than 50% larger than normal eyepiece The image is bright and clear, and the effect is clearer The eye is not easy to be tired when observing, protect your eyesight It fits most common size compound biological microscopes Specification: Model:DM-WF001 Magnification Power:10X Connector diameter: Size: 23.2cm/9.1in Weight: Approx.50g/1.8oz   Package list: 1 x eyepiece   Package List