Lightweight and compact: A smaller diameter and over 30% weight savings compared to the NIKKOR Z 14-24mm f/2.8 S. And it features a convenient 67mm filter thread.. Fast constant aperture of f/2.8 through the entire zoom range: More control of light, depth of field, range of expression and options for creative storytelling. Internal Zooming: Does not change shape when zooming for improved balance especially during gimbal use.. Optimized for video: Suppressed focus breathing, near-silent autofocus and a 9-rounded-blade iris that can be smoothly opened and closed using the click-less control ring, the NIKKOR Z 17-28mm f/2.8 is outstanding for video of all types.. Camera compatibility: Compatible with FX and DX format Nikon Z series mirrorless (17mm-28mm on a full frame FX format Z camera), (25mm 42mm equivalent on an APS-C size DX format Z camera).. Part of an extraordinary f/2.8 duo: Cover from 17mm to 75mm with two lightweight f/2.8 zoom lenses. Shares the same f/2.8 fixed maximum