Description Upgrade your instrument experience with rubber eyepiece covers for binocular, telescopes, and microscopes. Designed to block out unwanted ambient light, these comfortable eyecups enhance clarity and precision during extended observations. Perfect for astronomy, birdwatching, or scientific research, these Rubber Eyepiece Covers protectors provide reliable cushioning and protect your equipment from damage. Features -Color:Black -Material:Rubber -Size:5.50X3.50X2.00cm/2.16X1.38X0.79in -Size:3.00X3.00X0.10cm/1.18X1.18X0.04in -Note: Fit for microscopes and telescopes with a diameter of 29-33 mm -Enhanced clarity: the binocular eyepiece covers effectively block environmental light and serve as telescope eyepiece protectors, ensuring a clear view for precise observations -Versatile application: these rubber eyepiece shields are compatible as microscope eyepiece covers or as accessories for telescopes, making them ideal for varied scientific or outdoor uses -Quick installation: designed for fast fitting and removal, the monocular rubber eyepiece offers effortless installation on both microscopes and scopes for immediate protection -Binocular Eye Cup: featuring soft rubber eyepiece cushions, these binocular eye cup covers minimize glare and peripheral distractions, providing a comfortable user experience during extended viewing -Stereo Microscope Covers: crafted from practical rubber, the Eyepiece Cover Caps add an extra layer of protection, acting as instrument rubber protective covers to decrease potential damagePackage list: 4 x Binocular Eye Cups