Protect your telescope lens with this high-quality Telescope Dust Cover, crafted from durable aluminum alloy for long-lasting use and reliable protection. Designed with precision and functionality in mind, this dust cap features an M54x0.75mm internal thread that securely screws onto your telescope or telephoto zoom eyepiece, ensuring a snug and stable fit to keep dust, dirt, and debris away from your valuable optics. Key Features: · **Durable Aluminum Alloy Construction:** Made from sturdy aluminum alloy, this dust cover provides robust protection while being lightweight and easy to handle. · **Precise M54x0.75mm Thread Size:** The internal thread design allows the dust cap to be directly screwed onto compatible telescope lenses, offering a firm and secure fit that prevents accidental slips. · **Accurate Fit with Open Mold Design:** Manufactured with a 1:1 ratio open mold, this cover perfectly matches the dimensions of astronomical telescope magnifying lenses, maximizing protection without compromising usability. · **Wide Compatibility:** Suitable for various telescope eyepieces and telephoto zoom eyepieces, making it a versatile accessory for astronomy enthusiasts and photographers alike. · **User-Friendly Installation:** Easy to install and remove, this dust cap ensures quick and hassle-free maintenance of your telescope lens, helping maintain clear and unobstructed viewing. Specifications: · Material: Aluminum Alloy · Thread Size: M54x0.75mm · Thread Depth: Approx. 4mm / 0.16in · Item Type: Telescope Dust Cover Package Includes: · 1 x Telescope Dust Cover This Telescope Dust Cover is an essential accessory to protect your optical equipment from environmental contaminants, extending the life and performance of your lenses. Its durable construction and precise threading make it a dependable choice for keeping your telescope lens clean and ready for optimal viewing at all times.