The NIKKOR Z 20mm f/1.8 S expands the Nikon Z-series with a powerful ultra-wide-angle S-series lens with an aperture of 1.8. This extremely fast 20mm fixed focal length lens is the right choice when shooting with a very wide field of view. The state-of-the-art optics, large diameter Z bayonet, f/1.8 aperture and nine-blade rounded aperture allow for captivating performance in all lighting conditions. Fast ultra-wide-angle lens with a f/1.8 aperture for Nikon mirrorless Z cameras. This lens is phenomenally sharp right to the corners of the frame and delivers brilliant images even in low light. With a closest focusing distance of just 0.20m, photographers have full control over framing - from close-up to infinity. The advanced optics allow for beautiful star effects and extremely natural-looking bokeh. ED glass and aspherical lenses correct colour aberrations. In addition, Nikon's anti-reflective nanocrystal coating counteracts ghosting and flare.Focus is fast, smooth and quiet. Focus breathing has been almost completely eliminated. Every moving part of the lens barrel is sealed against dust and moisture ingress.