Covers Super 35mm SensorsInterchangeable Lens MountCine-Style 0.8 Mod FIZ Lens GearsSuper Wide-Angle, Low DistortionConstant T2.9 Aperture Thru Zoom RangeParfocal Lens Design Maintains Focus9-Bladed Aperture Ring95mm Front Diameter30cm Minimum Focus DistanceCompact, Cine-Style Metal HousingOverviewThe Tokina Cinema ATX 11-20mm T2.9 Wide-Angle Zoom Lens features a super-wide field of view and cine-style design elements. It covers full-frame 35mm image sensors and is a parfocal lens, holding focus throughout zoom moves. The Cinema ATX 11-20mm maintains a constant T2.9 aperture throughout its zoom range, eliminating the need for exposure compensation as you zoom in. Its durable metal housing withstands the rigors of cine production and incorporates 0.8 Mod lens gears for compatibility with FIZ (focus/iris/zoom) control systems.The Tokina Cinema ATX 11-20mm incorporates low-distortion glass, and its 9-bladed iris produces attractive bokeh in out-of-focus areas. Focus (feet), iris, and zoom settings are marked on both sides of the lens barrel.Additional cine features include a minimum focus distance of 12", 300 of focus rotation, and an industry-standard 95mm front diameter compatible with most pro-style matte boxes. An 86mm front thread provides a second filtration option especially useful for low-profile or lightweight rig configurations.SpecificationsFocal Length: 11 - 20mmFormat: Super35/APS-CImage Circle: 30mmMaximum T-Stop: T2.9Maximum T-Stop: f/2.8Minimum T-Stop: T22Minimum F-Stop: f/22Minimum Focus Distance from Image Plane: 0.3 mOptical Design: 14 Elements in 12 GroupsIris Blades: 9Gear MOD & PitchFocus: 0.8 MOD / 32 PitchIris: 0.8 MOD / 32 PitchZoom: 0.8 MOD / 32 PitchFront Diameter: 95 mmFilter Thread: 86 mmFocus Scales: ImperialFocus Rotation: 300Zoom Ratio: 1.82xElectronic Communication: NoMaximum Magnification Ratio: 1:9.65Length: 99.5 mmWeight: 1.1 kgIN THE BOX1x Tokina Cinema ATX 11-20mm T2.9 Wide-Angle Zoom Lens