Description Our microscope eyepiece cover is designed to provide optimal protection and comfort for your eyes. Made from rubber, it ensures a snug fit and prevents any light leakage, enhancing your viewing experience. Ideal for amateur use, it helps in maintaining the cleanliness and longevity of your microscope eyepiece. Features -Color:Black -Material:Rubber -Size:4.20X4.20X1.40cm/1.65X1.65X0.55in -It is suitable for shading telescopes and stereomicroscopes with an outer diameter of 29mm to 31mm -Eye fatigue prevention: designed to prevent eye fatigue, ensuring stable observation and enhancing the precision of microscopic operations -Durable eyepiece cover: the eyepiece cover is durable and fits well, suitable for various microscope models -Light interference reduction: specially designed for microscope eyepieces, effectively blocking external light interference and enhancing image contrast -Versatile application: suitable for research laboratories, educational institutions, and industrial inspections, improving work efficiency -Easy installation: simple to install with strong compatibility, fitting multiple microscope eyepiece modelsPackage list: 2 x Microscope eyepiece covers