Canon EF 11-24mm is a proud component of the L-series of lenses created for full-frame EOS DSLR cameras. It features EF-Mount Lens/Full-Frame Format, Aperture Range of f/4 to f/22, One Super UD and One UD Element, Four Aspherical Elements, Ring-Type Ultrasonic Motor AF System, among others. It comes with one Super UD element as well as one UD element, which guarantees perfect curtailment of chromatic aberrations. Four aspherical elements assist with the reduction of distortions all through the zoom range. That is why you can be certain of constant edge-to-edge brightness and sharpness at all times. With its Subwavelength Coating (SWC) and Air Sphere Coating (ASC), lens flare along with ghosting is reduced so that there can be color and contrast precision. It covers the optimum wide-angle view, hence, it is ideal for panoramic and architectural photography. Its flexible zoom range is backed up with advanced optical peripherals as well as perceptive manipulation. Our Take On Canon EF 11-24mm The Canon EF 11-24mm f/4L USM Lens is a high-performing device for flawless image capturing. One of its attributes is the ring-type Ultrasonic Motor, which guarantees quick autofocus for maximum effectiveness. With its interior focusing function and full-time manual focus mechanism, you can easily capture sharp images for the delight of your viewers. It is resistant to dust as well as water, and the front and back elements come with fluorine coatings. This helps in preventing image spoilage by smudges and fingerprints. This lens works perfectly with full-frame Canon EF-mount DSLR cameras, and APS-C-sized models providing a corresponding focal length range of 17.6-38.4mm. Besides, the Canon EF 11-24mm comes with a constant f/4 aperture, which guarantees regular effectiveness as well as light transmission all through the zoom range. It is designed to accept insert-type gelatin filters that are inserted through the rear