Soft Rubber Eyepiece Eye Shield,28mm-37mm Eyes Guard Cups for Binoculars Microscopes, Eyes Guard Cup Cover for Eyepieces,Inner Diameter Eyepiece

Wide Compatibility: This soft rubber eyepiece cover is designed to fit a broad range of eyepieces with inner diameters from approximately 28mm to 37mm, making it suitable for stereo microscopes, wide-angle microscope eyepieces, binoculars, and other optical lenses

Enhanced Eye Protection & Comfort: Crafted from soft, flexible rubber, it forms a gentle seal around the eyepiece, providing a comfortable fit that relieves pressure on the eye socket and brow during extended viewing sessions

Reduces Eye Strain & Improves Focus: By blocking peripheral light and external glare, this eye guard helps minimize eye fatigue. It also aids in enhancing contrast in low light and improves concentration on the specimen by eliminating distractions from surrounding movement

Maintains Optimal Eye Relief: The cup helps maintain the correct distance between your eye and the eyepiece lens (eye relief), ensuring a full field of view and a more stable, comfortable observing experience

Durable & Protective Design: Acts as a cushioned shield, not only protecting the user's eye area from accidental impact against the eyepiece but also helping to safeguard the eyepiece lens itself from dust and scratches