Scopes Lens Extender Cover, Elastic Rubber Optics Eyepiece Protection Waterproof Eye Piece Cover for 39-40mm Rifle Scope

【Block Stray Light】The cover can effectively block excessive stray light and light interference, avoid dizziness, and help users quickly find pupil distance. Minimize the interference of external light on the eyes, helping to see the target clearly in a variety of lighting conditions. Cushioning design can avoid the impact on the eyes and protect the eyes. 【Lens Protection】The scopes lens extender cover can effectively protect the lens from rain and sun damage, avoid causing scratches, and extend the service life of the scope. 【Widely Applicable】Suitable for rifle scopes with an outer diameter of 39 mm to 44 mm, to meet the needs of different types of equipment. 【Easy Installation】No tools required, you can quickly complete installation and disassembly, saving time and effort. 【Comfortable & Waterproof】Elastic rubber material can not only ensure a good fit, provide a comfortable wearing experience, but also effectively avoid water infiltration.