The manual focus Laowa 10mm f/2.8 Zero-D FF Lens for Canon RF is the world's widest f/2.8 full frame rectilinear lens, which is ideal for astro photography, architecture, landscapes and more. The Laowa 10mm f2.8 Zero-D FF for Canon RF mount is a manual focus lens with an impressive 130° ultra-wide angle and a lightweight design at 420g, perfect for Canon RF full-frame mirrorless cameras. It boasts Laowa's Zero-D low distortion and a close focusing distance of just 12cm. Versatile for ultra-wide portrait, landscape, and astrophotography, it accommodates standard 77mm front filters.