G-series optical design ideal HD and 4K moviemaking Minimized angle of view variation (breathing) while focusing No focus shifting or axial displacement while zooming Independent Zoom, Focus and Iris rings superior control Constant F4 max aperture maintains exposure / depth of field Super Sonic wave motor drive quiet variable speed zoom Silent Iris and linear AF drive system quiet operation Dust and moisture Impervious design maximum durability Optical SteadyShot® image stabilization video and stills Ideal Full-Frame, APS-C and Super 35 E-mount cameras
