1The magnification is WF20X, the image is bright and clear, and you can see clearer without any obstacle. 2Featuring wide-angle eyepiece, it has a large viewing angle and a wide field of view, which not only improves the experience of the viewing, but also makes the image clearer and brighter. 3Built-in reticle with scales for easy adjustment of the angle, calibration of the position of the measurement object, easy to observe. 4Help create the perfect distance between the eye and the reach, and your eyes are not easily fatigued. 5An essential microscope accessory to protect your stereo microscope and also your eyes. Features: 1. The magnification is WF20X, the image is bright and clear, and you can see clearer without any obstacle. 2. Featuring wide-angle eyepiece, it has a large viewing angle and a wide field of view, which not only improves the experience of the viewing, but also makes the image clearer and brighter. 3. Built-in reticle with scales for easy adjustment of the angle, calibration of the position of the measurement object, easy to observe. 4. Help create the perfect distance between the eye and the reach, and your eyes are not easily fatigued. 5. An essential microscope accessory to protect your stereo microscope and also your eyes. Specification: Item Type: Eyepiece Material: Aluminum Alloy + Optical Lens Magnification: WF20X Field of View: 12 mm / 0.5in Mounting Size (Diameter): 30 mm / 1.2in Suit Microscope: Stereo Microscope Package List: 1 x Eyepiece