The Laowa 12mm f/2.8 Zero-D is a premium ultra-wide-angle prime lens engineered for Canon RF-mount full-frame mirrorless cameras. Featuring the world's widest rectilinear f/2.8 aperture, this lens delivers exceptional optical performance with minimal distortion, making it the perfect tool for landscape, architectural, interior, and astrophotography. The fast f/2.8 aperture excels in low-light conditions, whilst the precision manual focus and floating optical system ensure sharp results from 18cm to infinity. With its rectilinear design and close-to-zero optical distortion, straight lines remain perfectly straight in your images. Weighing just 609 grams, the lens is remarkably compact and portable. Premium features include a water and dust-repelling Frog Eye Coating on the front element and a built-in petal-shaped lens hood to reduce flare and protect against impact. The optical construction comprises 16 elements in 10 groups, including three extra-low dispersion elements and two aspherical elements for outstanding edge-to-edge clarity and minimal colour fringing.