Parabolic devise: The D160F800 features a precise paraboloid shape for optimal light collection, enhancing your astronomical viewing experience. Superior Optical Performance: With a 160mm aperture and 800mm focal length, this primary mirror provides clear and detailed images of objects. Durable Construction: The lens surface is coated with an aluminum film and a protective layer, ensuring resistance against scratches and environmental damage. Lightweight and Portable: Weighing approximately 870g, this mirror is easy to transport, making it ideal for both amateur and professional astronomers. Complete Package: Each purchase includes one D160F800 Parabolic Newtonian Reflector Primary Mirror Objective, ready for installation and use with your telescope setup.