Introduction: This low-power Omni eyepiece is a 4-element high-quality symmetrical Plossl optical design. Its functions include: the blackened edge of the lens can minimize internal reflection and maximize contrast; the multilayer coating group on the surface of each lens can maximize the transmittance and contrast; each Omni passes through two Step anodizing process to prevent reflection from the top eyepiece tube, most other manufacturers use reflective surfaces. The threaded lens barrel accepts a 1-1/4" screw-in filter. feature: Eyepiece Series Omni Focal length 32mm Barrel size 1.25 inches (31.7 mm) Field of view (specified manufacturing) 52° Filter thread standard 1.25 inch filter thread (M28.5 x 0.6) Eye relief 22 mm (0.87 inch) Multi-layer coating Lens element Lens group The edge of the shading lens is Bucket with safety undercut Rubber goggles are Package Included: 1 * Celestron 1.25 inch Omni Plossl eyepiece 【Exceptional Performance】Engineered for high efficiency and effectiveness, this product delivers outstanding results every time. Its advanced features ensure consistent performance, making it a reliable choice for your needs 【High-Quality Materials】Crafted from premium, durable materials to ensure longevity and superior performance. Each product is meticulously tested to meet high standards of quality and safety. 【Eco-Friendly and Sustainable】Made with environmentally conscious practices, this product is eco-friendly and contributes to sustainability efforts. It is designed to minimize waste and reduce environmental impact. 【User-Friendly Design】Ergonomically designed for ease of use, this product offers intuitive controls and a comfortable grip, making it perfect for both beginners and experienced users. 【Versatile Functionality】This product is multifunctional and can be used for a variety of tasks, providing you with the flexibility and convenience needed to handle multiple uses with a single tool.