Features [Wide Field of View] The wide angle and widefield design of this eyepiece provide a broader field of view, offering users a larger viewing range and enhancing the overall visual experience. [Diopter Adjustment] This microscope eyepiece allows users to adjust the diopter according to different vision of both eyes, ensuring clear image quality. [30mm Interface] With a 30mm mounting interface, this microscope eyepiece is compatible with most microscopes available on the market, offering convenience and flexibility for users. [Optical Lens] Utilizing optical coating technology, with premium optical lens, this eyepiece delivers clear and sharply imaging, enhancing the overall viewing experience. [Metal Body] Crafted with aluminum alloy body, this microscope eyepiece is built to last, ensuring long term durability and reliability for extended use. Spec: Item Type: Microscope Eyepiece Material: Aluminum Alloy Model: KP WF20X A Magnification: 20X Field of View: 12mm Mounting Interface: Approx. 30mm / 1.18in Features: High Eye Point Large Field of View Wide Angle Eyepiece, Adjustable Diopter How to Use: Insert the microscope eyepiece interface for use. PackageList: 2 x Microscope Eyepiece Package List 2 x Microscope Eyepiece