Lens type Zoom lens Max Format size 35mm FF Focal length 17–28 mm Image stabilization No Lens mount Nikon Z Aperture Maximum aperture F2.8 Minimum aperture F22 Aperture ring No Number of diaphragm blades 9 Optics Elements 13 Groups 11 Special elements / coatings Three aspherical elements, two extra-low dispersion (ED)