203mm Parabolic Primary Mirror with a focal length of 800mm, devised for optimal light collection and clarity in astronomical observations. Includes a 60mm secondary mirror, enhancing the performance of your DIY telescope setup for improved viewing experiences. Durable aluminum-coated lens surface with protective film to prevent scratches and ensure longevity, perfect for outdoor use. Features a center mark on the primary mirror for easy optical calibration using eyepieces or machine collimators, simplifying the setup process. Ideal for DIY enthusiasts and astronomy lovers, offering customizable options for primary mirror, secondary mirror, or complete accessory kits based on your needs.