This Opteka wide angle macro lens is a great addition to your camera gear. With a focal length of 0.43mm and a maximum aperture of f/2.8, it's perfect for capturing stunning close-up shots. The exterior of the lens is made of durable metal, and it comes with both auto and manual focus options. This lens is perfect for photographers who are looking for a wide-angle lens with a unique wide-angle perspective. It also comes with a manufacturer warranty, making it a great purchase for anyone who wants to ensure that they are getting a quality product.