Brand new, unopened. A very popular pancake lens. 【Autofocus】The AF 28mm F4.5 is equipped with a highly efficient and precise autofocus system that captures every shot accurately. (Manual focus is not supported if there is no focus ring.) 【Full Frame】The Viltrox 28mm F4.5 lens is widely compatible with full-frame models. The 28mm focal length allows images to be projected onto a full-frame CMOS without restriction, providing photographers with a rich creative space through a unique perspective and exciting perspective effects. 【Unique Design】The 28mm F4.5 lens features a slide-type lens cap and a precision aluminum alloy mount, protecting it from dust and dirt. HD nano multi-layer coating, waterproof and anti-fouling coating on the front lens. The 28mm F4.5 lens is equipped with a USB port for firmware upgrades. 【High Image Quality】The AF28/4.5 lens adopts a 6-group, 6-element optical structure, including 2 ED lenses and 2 aspherical lenses. This improves image quality, reduces the size of the lens, and effectively suppresses the effects of chromatic aberration on images. Recommended for x-mount cameras such as x-t5, x-e5, x-m5, x-t30, etc.