Description The eye shield is universal for microscope eyepiece. It is designed to the performance of virtually any field optics. Eye shield connects to and fits most. The technology found in eye shield is designed to shade your eyes from light and wind. Providing improved clarity and focus. Features -Color:Black -Material:Rubber -Size:3.90X3.60X1.80cm/1.53X1.41X0.71in -Note: suitable for 32mm-35mm microscope eyepiece. - They are suitable for different. in use. Eye cups for microscopes telescopes. - Improves clarity/focus, eliminates peripheral distractions, reduces glare, protects the eyes from the elements. - The microscope eye shield is made of rubber material, which acts as a buffer to protect the eyepiece from collision. - The microscope guard can also protect the lens and water. - When doing experiments, the eyepiece cover the light, allowing you to better observe the sample. They are suitable for different. in use. Eye cups for microscopes telescopes. Improves clarity/focus, eliminates peripheral distractions, reduces glare, protects the eyes from the elements. The microscope eye shield is made of rubber material, which acts as a buffer to protect the eyepiece from collision. The microscope guard can also protect the lens and water. When doing experiments, the eyepiece cover the light, allowing you to better observe the sample.