Feature: 1. ENHANCED OPTICS: This lens features a accurate optical design with 4 groups and 4 elements, along with multi coated MC coating to suppress lens flares and ghosting, resulting in improved contrast and color accuracy. 2. CAPTIVATING ASTROPHOTOGRAPHY: With its achromatic refractor design, this 500mm F6.3 telephoto lens excels in shooting breathtaking images of far away objects. Perfect for astronomy enthusiasts and photographers alike. 3. T2 RF ADAPTER: When used with the included T2 RF adapter, this lens is compatible with R mount mirrorless cameras, allowing you to mount R lenses with ease and expand your photography possibilities. 4. CONVENIENT PHOTOGRAPHY: Crafted with a durable alloy body, this lens not only exudes a strong aesthetic appeal but also ensures excellent performance and longevity. It comes with a detachable lens hood and tripod mount bracket for added convenience and vertical horizonally shoot. 5. DISTANCE SCALE: The manual focus design, coupled with depth of field and distance scales, enables you to achieve clear images effortlessly. Perfect for shooting intricate details in your shots. Specification: Item Type: Telephoto lens Material: Alloy, optical glass Weight: Approx. 1743g / 61.5oz Optical Design: 4 elements in 4 groups Focal Length: 500mm Minimum Focus Distance: 5 meters Aperture Range: F6.3 to F32 Front Filter Diameter: 86mm / 3.4in . Package List: 1 x Lens2 x Lens Cover1 x Converter1 x Wrench1 x Storage Bag1 x Manual