This 8-18mm wide angle lens achieves superb LEICA quality resolution across the whole frame, with versatility from breathtaking ultra-wide landscapes to standard snapshots. Specifically designed for reliable and superior quality shooting in all weather conditions, this brilliantly nimble lens is the ideal lens for shooting large-scale nature out in the field. Key features : Expand your horizons. Ultra Wide 16mm (35mm equivalent) capability allows you to capture stunningly wide vistas for dramatic large-scale imagery of the natural world and the elements. Incorporates 15 lens elements in 10 groups including 1 aspherical Extra-Low Dispersion lens, 3 aspherical lenses, 2 Extra-Low Dispersion lenses and 1 Ultra High Refactive Index Lens. The result is high resolution, high contrast imagery right to the very edges of the frame, while chromatic aberrations and distortions are reduced, and all from a light and compact design. Seven aperture blades create a circular diaphragm for beautifully smooth defocussing. Splash-proof, dust-proof and freeze-proof, this lens is specially designed to be tough and resilient enough to excel in outdoor field use, in all conditions. Nano Surface Coating has been applied to lenses within the system, reducing reflection and interference across the complete light spectrum. Great for shooting light sources in the dark. Advanced autofocus performance enables superb quality video footage. Focus transitions are smooth and near-silent, with a precision that makes hyper-detailed 4K resolution sparkle. This lens meets the strict quality standards set by LEICA Camera AG. It assures a quality of resolution, precision and distortion reduction for professional standard results. Accessories Included : Lens Cap Lens Rear Cap Lens Hood Storage Bag