Product Description for Foldable Rubber Microscope Eyecups Enhance your viewing experience and protect your eyes with Foldable Rubber Microscope Eyecups. Designed for superior performance and comfort, these eyecups are an essential addition to your optical accessories. Explore the features that make these eyecups indispensable for any microscope, monocular, or binocular user: Superior Performance: These microscope rubber eyecups are engineered to provide a better viewing experience by effectively blocking out external light sources. This ensures clearer and more focused observations, allowing you to concentrate on the details without distractions. Premium Material: Crafted from high-quality rubber, these eyepiece eyeshields are both foldable and easy to use. Their durable and practical design ensures long-lasting performance, making them a reliable choice for frequent use in various settings. Applicability: With an inner diameter of 27mm/1.06in, these eyepiece eyecups are versatile and compatible with a wide range of optical devices. They are suitable for microscope eyepieces, as well as monoculars and binoculars with an eyepiece diameter of 42-48mm/1.65-1.89in, offering broad applicability for different instruments. Eye Protection: Designed with user comfort in mind, these microscope eyepiece eyeshields help reduce impact and provide better protection for your eyes. By creating a comfortable barrier, they enhance your viewing experience while safeguarding your vision. Practical Tool: These eyepiece eyeshields are practical tools that help create the perfect distance between your eye and the eyepiece. This optimal positioning not only improves image clarity but also reduces eye strain, allowing for extended periods of comfortable observation. Upgrade your optical equipment with Foldable Rubber Microscope Eyecups and enjoy improved viewing performance, enhanced eye protection, and greater comfort. Whether you're conducting detailed scientific studies or simply enjoying the beauty of the world through your lenses, these eyecups offer the quality and functionality you need for a superior experience.