Feature: 1. Manual adjustment, all metal structure, optical glass multilayer MC coating. 2. 500mm telephoto lens, manual focus, the closest focusing distance is 10 meters/32.8ft. 3. Made of high‑quality aluminum alloy body, exquisite and textured. Compact shape and volume design, easy to carry, bracket ring fixed. 4. It has a wide range of uses. The lens for T2 mount, which is mounted on the camera body through an adapter ring (the adapter ring needs to be purchased separately). 5. It is used to shoot long‑distance objects, such as wild animals, natural scenery, sports games, etc. Specification: Item Type: Camera Lens Material: Alloy + optical glass Color: As Pictures Shown Weight: Approx. 820g/28.9ozFocal length: 500mm Aperture: F8 - F32 Mount: for T2 mount Closest focusing distance: 10m/32.8ft Perspective: 5 ° Lens structure: 4 groups of 4 pcs Front filter size: 67mm/2.6in Focus mode: manual focus Anti-shake function: none How to use： 1. Connect the lens to the T-mount adapter ring (the adapter ring needs to be purchased separately) 2. Then connect the lens with the adapter ring to the camera body 3. Secure to the tripod by the tripod ring 4. Rotate the focus ring to focus, rotate the aperture ring to adjust the size of the aperture 5. When removing the lens, first remove the lens and the adapter ring from the body 6. Then remove the adapter ring from the lens . Package List: 1 x Camera Lens 1 x Storage Bag1 x Manual