Item Name: Eyepiece Eye Cups for Stereo Microscopes / Binoculars / Telescopes - Color: Black - Material: Rubber - Quantity: 1 Pair (2 Pieces) - Dimensions: Please refer to the provided images for specific measurements. Benefits: - Enhanced Comfort: The rubber eye cups provide a soft, cushioned fit, reducing eye strain during extended use. - Improved Focus: These eye cups help block out ambient light, allowing for clearer, more focused viewing, essential for detailed observations. - Durable Quality: Crafted from high-quality rubber, these eye cups are designed for long-lasting performance, ensuring reliability over time. Compatibility: - Suitable for a variety of stereo microscopes, binoculars, and telescopes, making them a versatile addition to your optical equipment. Use Scenarios: - Ideal for hobbyists and professionals using microscopes for biological studies, offering improved visibility when examining specimens. - Perfect for birdwatchers using binoculars, enhancing comfort and clarity during long observation sessions. - Beneficial for astronomers utilizing telescopes, providing a better viewing experience by minimizing distractions from surrounding light. Upgrade your optical experience with these essential eyepiece eye cups, combining functionality and comfort to meet your observation needs.