This set of eyepiece guards is specifically designed for telescopes, providing essential protection and comfort during your stargazing sessions. The adjustable light filter for telescopes ensures optimal light control, reducing glare and enhancing your viewing experience. Simply attach the eyepiece guards to your telescope eyepiece, and enjoy a more comfortable and immersive observation. Features -Color:Black -Material:Rubber -Size:4.00X4.00X1.60cm/1.57X1.57X0.63in -Durable material: made from sturdy rubber, these eyepiece guards are designed to be both durable and comfortable for extended use -Effective light blocking: these guards effectively block out unwanted light, protecting your eyes from harsh glare and enhancing your viewing experience -Impact protection: featuring an impactresistant design, these eyepiece guards provide additional protection for your eyes during telescope use -Practical compatibility: specifically designed to fit telescopes, ensuring a practical match and seamless integration with your existing equipment -Easy installation: these eyepiece guards are simple to install, allowing for quick and easy setup can focus on your observations Package list: 2 pcs x 2pcs x eyepiece eyecups