SUPERIOR IMAGE QUALITY - Experience exceptional clarity with 14 elements in 10 groups, featuring ASP, Hybrid ASP, ED, and HR elements for stunningly sharp and detailed photos. ULTRA-WIDE PERSPECTIVE - Capture expansive scenes with a 115.7° angle of view on full-frame cameras, perfect for landscapes, architecture, and immersive astrophotography. LOW-LIGHT EXCELLENCE - The bright f/2.8 aperture ensures outstanding performance in challenging lighting conditions, allowing for beautiful background blur and creative control. ROBUST WEATHER SEALING - Confidently shoot in various environments thanks to enhanced weather sealing, protecting against dust, light rain, and snow for reliable performance.