ADVANCED OPTICS FOR SHARP IMAGES: Built with 12 elements in 10 groups, including 3 ED and 2 aspherical elements, it ensures crisp image quality, reduced chromatic aberration, and minimized distortion across the frame. CAPTURE SCENES IN FULL WIDTH: Designed for APS-C sensors, this 12mm lens delivers an ultra-wide 98.9° angle ideal for landscapes, cityscapes, and real estate interiors without distortion at the edges. NANO COATING SYSTEM FOR ENHANCED CONTRAST: The lens features Rokinon's Nano Coating System, which suppresses flare and ghosting for accurate color reproduction and improved clarity in backlit or high-glare conditions. FAST f/2.0 APERTURE FOR LOW-LIGHT PERFORMANCE: With a bright f/2.0 aperture, this lens excels in dim environments, capturing vivid, detailed images at night or indoors without needing a flash or tripod.c LIGHTWEIGHT & COMPACT DESIGN WITH MANUAL PRECISION: Weighing under 9 oz and featuring a long focus throw, this lens provides precise manual focusing while being highly portable for on-the-go photography. Lens not Zoomable