SUPERIOR IMAGE QUALITY - Experience exceptional sharpness and clarity with 16 elements in 10 groups, including aspherical and ED glass, minimizing distortion and aberrations for stunning visuals. ULTRA-WIDE PERSPECTIVE - Capture expansive scenes with the 11mm focal length, offering a remarkable 126° angle of view, perfect for landscapes, architecture, and immersive photography. ROBUST BLACKSTONE BUILD - The durable Blackstone construction ensures reliability in various shooting conditions, protecting the lens elements while providing a premium tactile experience. PRECISE MANUAL FOCUS - Achieve pinpoint focus with the manual focus system, allowing for creative control and precise adjustments to capture your vision with exceptional accuracy.