Product Description: 1.25 Inch 90 Degree Zenith Diagonal Mirror for Refractor Telescopes Enhance your refractor telescope's performance with our 1.25 Inch 90 Degree Zenith Diagonal Mirror. This essential accessory is designed to deliver clear, upright images, making it an invaluable addition to your astronomical toolkit. Explore the features that make this diagonal mirror a top choice for stargazing enthusiasts: 1.25 Inch Diagonal Mirror: Specifically designed for use with 1.25-inch eyepieces and compatible refractor telescopes. Note that this mirror is not suitable for reflector telescopes, ensuring optimal performance with refractors. 90 Degree Angle: Provides a 90-degree viewing angle, allowing for upright images through your refracting telescope. While images are left-right reversed, this does not impact the quality of your astronomical observations, maintaining clarity and detail. Fully Coated Lens: Features a fully coated lens to ensure superior image fidelity and brightness. Comes with a dust cover to keep your lens clean and protected, extending the life and performance of your optical equipment. Easy Installation: Designed for user-friendly installation; simply insert the diagonal mirror into your telescope's 1.25-inch end. Securely fasten the 1.25-inch eyepiece with a screw, providing a stable and reliable connection for hassle-free use. Durability: Constructed from sturdy metal and plastic materials, this diagonal mirror is built to withstand regular use without damage. Its robust design ensures long-lasting performance, making it a dependable component of your telescope setup. Optimize your stargazing experience with the 1.25 Inch 90 Degree Zenith Diagonal Mirror. Perfect for both amateur and experienced astronomers, this accessory offers enhanced image quality and ease of use, allowing you to focus on the wonders of the night sky with greater clarity and comfort.