These eyepiece shields are designed to improve the user experience by providing a comfortable and protective barrier around the eyepiece. The rubber construction ensures a tight seal, blocking out extraneous light and reducing eye fatigue. Ideal for extended use, these guards for professionals and hobbyists alike, enhancing the clarity and comfort of your. Features -Color:Black -Material:Rubber -Size:4.20X4.20X2.00cm/1.65X1.65X0.79in -Rubber: made from rubber, these eyepiece guards are both and comfortable for extended use -Glare prevention: designed to prevent glare, these guards protect your eyes and improve the quality of your -Wide range of use: compatible with microscopes, binoculars, and other optical devices, making them highly versatile -Easy attachment: these eyepiece guards are simple to attach and detach, ensuring convenience for all users -Set: the package includes eyepiece guards, providing an easy replacement option for ongoing use Package list: 2 x Eye Cups Replacement