Its Distagon optical design with five anomalous partial dispersion elements and ZEISS T* coating delivers distortion-free, high-contrast images with exceptional 4.9-star rated build quality in a weather-sealed, all-metal barrel. The manual focus ring offers long, precise throw with a de-clickable aperture for smooth, silent iris adjustments during video work. This lens is best for landscape and architecture photographers using Nikon F-mount who prioritize optical precision and tactile, deliberate control over autofocus speed.