The Microscope Eye Cup is designed to provide a clear and comfortable viewing experience. It allows for precise observation. Compatible with various microscope models. The eye cup is designed to reduce eye fatigue and ensures a snug fit for Stereoscopic Microscopes.Features - Color: Black - Material: Rubber - Size: 4.00 x 4.00 x 1.80 cm / 1.57 x 1.57 x 0.71 in - Note: Suitable for 36-38 mm Microscope Eyepiece - Clear observations: This binocular eye cup allows for clear observations - Broad compatibility: The eyepiece eye cups are compatible with a variety of microscope models - Convenient design: The protective eye cup reduces eye fatigue during prolonged use - Specific design: This eyepiece eye cup is designed for optimal fit and performance with stereoscopic microscopes - Comfortable rubber material: The rubber material used in this microscope eyepiece eye cup ensures an enjoyable microscopy experience Package List: 2 x Eyepiece Cover