From landscape to architectural photography, the NiSi 9mm f/2.8 Sunstar Super Wide Angle Asph Lens for Canon Rf is a professional-grade lens designed to deliver high-quality, wide-angle shots. Engineered for Aps-c cameras, this lens boasts a 113-degree field of view, enabling photographers to capture expansive scenes with precision and minimal distortion. The lens's 14 elements in 12 groups ensure sharp, clear images, while the aperture range of f/2.8 to f/16 makes it an excellent choice for astrophotography. With its resistance to flares and low coma, you can capture the night sky in all its glory. Weighing in at a mere 364g/12.8oz, this compact lens is easy to carry, making it a perfect companion for travel photography. The NiSi 9mm f/2.8 Sunstar lens is not just about wide-angle shots it's also about capturing stunning sunstars. With its ability to produce beautiful sunstars from f/2.8 to f/16, your images will have that extra touch of magic. Constructed with a compact metal body, this lens is designed to withstand the rigors of outdoor photography. The 67mm standard filter thread is compatible with the NiSi 100mm filter system and 67mm circular filters, offering you more creative control over your shots. With the added protection of a yellow weather seal at the mount, your lens is safeguarded against the elements, ensuring you can capture stunning images in any weather condition. The NiSi 9mm f/2.8 Sunstar Super Wide Angle Asph Lens for Canon Rf is the ultimate tool for photographers seeking to elevate their wide-angle photography..