DescriptionThe eyeshield is the universal eye piece designed to the performance of virtually any field optics. Eyeshield connects to the eye piece and fits most performance optics. The technology found in eyeshield is designed to shade your eyes from light, wind. Providing improved clarity and focus.Features- Color: Black. - Material: Rubber. - Size: 3.70X3.70X2.50cm;/1.45X1.45X0.98in; - Made of rubber that doesn't hurt your stereo microscope. - Eyepiece cover is designed to reduce impact, and better protect your eyes. - Help create the perfect distance between the eye and the reach. - Suitable for stereo microscope, wide angle microscope eyepiece, and for eyepiece of the microscope and telescope and other lens, etc. - Multiple diameter rubber eye guards eye shield. rubber, can be folded.