The 7artisans 9mm f/5.6 ultra-wide-angle lens for Canon RF-mount cameras offers a dynamic, distortion-free perspective, perfect for capturing expansive interior, architecture, nature, and landscape scenes. Designed for full-frame sensors, it boasts an advanced optical design featuring extra-low dispersion, aspherical, and high refractive index elements, which work together to minimize aberrations and distortions, delivering sharp, clear, and color-accurate images. With a 132° angle of view and a minimum focusing distance of 7.9", this lens enables dramatic close-up shots with a wide context. The manual focus design ensures precise control, while the de-clicked aperture ring allows smooth adjustments, especially useful in video applications. The lens also includes a five-blade aperture diaphragm that produces striking 10-point sun stars when photographing point light sources. Compact and lightweight, it comes with a built-in petal-shaped lens hood that prevents stray light from causing flare while offering protection to the front element. Ideal for travel and walk-around use, this lens is a versatile tool for photographers seeking an ultra-wide, high-quality optic.