KIPON P67-Nikon Z ×0.7 Focal Reducer Includes original box and front/rear caps. This adapter allows you to use PENTAX 67 lenses on Nikon Z series cameras. The focal length is reduced by 0.7x, allowing you to take full advantage of the medium format lenses. The lens is in very clean condition. - Brand: KIPON - Model Name: P67-Nikon Z Thank you for looking.