Feature: 1. Advanced Optical Design: The lens features a 4 groups 4 pieces optical structure with multi layer MC coating, suppressing lens flares and ghosting for improved contrast and color accuracy. 2. Chromatic Aberration Free Refractive Lens: With precise chromatic aberration free refractive lens, this lens delivers images with high peak contrast and excellent control over flaring. Ideal for use in "M" manual exposure mode. 3. Wide Compatibility: When used with the included T2 AF adapter ring, this lens is compatible with A mount cameras, allowing you to experience its outstanding capabilities on your single lens camera. 4. Superior Craftsmanship: The lens also features precise calibration with manual focusing, depth of field, and distance scales, ensuring clear images. The premium alloy construction guarantees durability and a exquisite appearance. 5. Great Accessories: The lens comes with a tripod mount and detachable lens cap, effectively reducing lens flares and ghosting. The rotatable tripod collar provides excellent balance and quick vertical format shooting. 6. Versatile Applications: The 500mm f/6.3 telephoto lens is a fantastic choice for bird and wildlife photography, as well as long distance shooting. It offers exceptional image quality and performance. Specification: Item Type: Fixed Focus Telephoto Lens Material: Alloy, optical glass Weight: Approx. 1673g/59.0oz Lens Structure: 4 pieces 4 groups Focal Length: 500mm/19.7in Nearest Focusing Distance: 5M Aperture: F6.3 to F32 Front Filter Diameter: 86mm/3.4in. Package List: 1 x Fixed Focus Telephoto Lens2 x Lens Cap1 x Lens Adapter Ring1 x Storage Bag1 x Specification