Ultra-wide angle zoom lens offers outstanding image quality, shallow depth of field for selective focus and provides a maximum aperture of f2.8 throughout the entire zoom range to deliver brilliant images. Constructed to reduce various aberrations including colour aberrations while providing high contrast and high resolution throughout the entire image field at maximum aperture. With the SDM (Supersonic Direct-Drive Motor) - Shoot discreetly with in-lens, auto focus motor operation for quick, smooth and quiet performance. HD (High Definition) - Treated with state-of-the-art HD technology; a high grade, multi-layer coating, allowing the user to capture crisp, high-contrast images free of flare and ghosting, even under demanding lighting conditions. ED (Extra Low Dispersion) glass lens elements deliver clear, high resolution imagery with outstanding edge-to-edge sharpness throughout the entire zoom range. WR (Weather Resistant) - Designed with eight specially designed seals to prevent intrusion of water.
