Canon EF Ultra-Wide Zoom Lenses suit almost all wide angle photography situations. These lenses range from ultra-wide angle to wide angle, allowing almost surreal ultra-wide angle shots and wide angle images with little or no distortion of perspective in the one lens. Even a small difference in the focal length setting creates a big impact on your images, it's these little details that make good photos great photos when you choose a Canon EF Ultra-Wide Zoom Lens.