Nikon AF-S NIKKOR 20mm f/1.8G ED

Nikon 20mm f/1.8G ED Preview: Nikkor FX 20mm wide-angle gets a G update

Updated from the original Nikkor 20mm f/2.8D wide-angle prime the new f/1.8G version offers a M/A M switch and focus distance window on the lens barrelNikon 20mm f/1.8G ED Specification: Faster aperture and extra glass for improved optical performanceUpdated from the original Nikkor 20mm f/2.8D wide-angle prime launched around 20 years ago, the new f/1.8G ED version offers an extra stop of light together with additional lens elements to improve image quality. The optical construction now sees 13 elements arranged in 11 groups including two ED (Extra-low Dispersion) and two AS (Aspherical) lens elements. The ED glass