All-optical glass lenses provide a bright and clear field of view, enhancing visual clarity and detail. High refractive index and high light transmittance optimal light performance and vivid imagery. Metal connectors are designed for quality assurance, providing durability and reliability in various conditions. Fully coated with high-quality optical glass, maximizing brightness and reducing glare for an improved viewing experience. This product features advanced optical technology, ensuring that users enjoy a superior visual experience. The combination of high refractive index and light transmittance allows for exceptional clarity, while the metal connectors long-lasting performance. The fully coated lenses enhance brightness, making them ideal for various applications. Color: Black Material: Metal Package Contents: 1*Telescope Eyepiece Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.