This Sigma 12-24mm f/4.5-5.6 ii dg hsm lens is the perfect wide-angle lens for Canon cameras. Designed for professional photographers, it has a maximum aperture of f/4.5-5.6 and is compatible with Canon EF mount. With its auto focus feature, it is easy to capture stunning images with sharp details. This lens is perfect for capturing wide landscapes, cityscapes, and group photos. Its focal length of 12-24mm allows you to capture more in your frame, making it a great addition to any photography kit. It is a must-have for any photographer looking to expand their collection and capture amazing shots. It works as good as new.