3PCS Telescope Eye Piece Covers, Anti-Impact Eyeshade Relief Distance Optics Cover for Microscope Sights with Inner Diameter 33-46mm

【High Quality Rubber】: The lens cap is made of soft rubber that is flexible and serves as a cushion to protect your eyes from recoil. 【Easy Installation】: With this lens cover, you can focus on the target conveniently and protect your eyes from damage. Quick installation, quick eye positioning for proper eye relaxation. 【High Performance】: Relieves eyestrain by blocking glare or enhancing low light and improves concentration by eliminating distractions from peripheral motion. 【Widely Used】: Extra large for telescopes with 42-46 mm inner diameter, large for 33 mm inner diameter, folding eyecups for 36 mm inner diameter, small corner eyecups for 33 mm inner diameter. 【After-Sale Service】: Thanks for your purchase. If you have any problem, please contact us any time. We promise you the solutions within 24 hours.