Specification Brand : Sigma BulletPoint1 : This Lens Bundle Items Includes: Sigma 14-24mm f/2.8 DG HSM Art Lens for Nikon F Import Model With 1 Year Exclusive Dealer Warranty, Lens Case, Sigma Lens Cap for 14-24mm f/2.8 DG HSM Art Lens, Sigma LCR II Rear Lens Cap for Nikon F, Deluxe Cleaning Kit, Memory Card Wallet, Dust Blower, Sensor Brush Pen, Cap Keeper. BulletPoint2 : As part of the Art line within Sigma's Global Vision series, this lens' is designed to achieve truly notable optical performance and is ideally suited for creative and artistic applications. Wide-angle zoom is designed for FX-format Nikon F-mount cameras, however is also suitable for DX models where it provides a 21-36mm equivalent focal length range. Constant f/2.8 maximum aperture is well-suited for working in available light conditions and also provides greater control over depth of field. BulletPoint3 : Complementing the imaging capabilities, the lens sports a Hyper Sonic Motor to produce quick, smooth, and quiet autofocus performance with full-time manual focus override. The physical design features a brass bayonet mount, which offers rigidity and mounting precision along with a seal to guard against dust and moisture. Additionally, a rounded nine-blade diaphragm contributes to a pleasing bokeh quality. Rounded nine-blade diaphragm contributes to a smooth and pleasing bokeh quality. BulletPoint4 : This design also works to minimize vignetting, color blur, and other distortions help to produce natural and pleasing bokeh for selective focus and shallow depth of field techniques. By reducing these aberrations, this lens is also well-suited to astrophotography or other situations with point-light sources due to its ability to suppress blur near the edges of the frame. The bayonet mount is constructed from brass for ensured accuracy and durability. BulletPoint5 : Integrated HSM (Hyper Sonic Motor) realizes quick and quiet autofocus, which is further complemented by an optimized AF algorithm to produce smoother focusing performance. The HSM also permits full-time manual focus control simply by rotating the focus ring at any time. Color : Black Compatibility1 : unknown Compatibility2 : unknown CompatibleMountings : Nikon F ExternallyAssignedProductIdentifier1 : 659821387403 ExternallyAssignedProductIdentifier2 : 0659821387403 FocalLengthDescription : 14-24 FocusType : Auto Focus FormFactor : Mirrorless ItemName : Sigma 14-24mm f/2.8 DG HSM Art Lens for Nikon F + Camera Case + Cap Keeper + Cleaning Kit + More (8pc Bundle) ItemPackageDimensions_Height : 6 inches ItemPackageDimensions_Length : 4 inches ItemPackageDimensions_Width : 5 inches ItemPackageQuantity : 1 ItemTypeKeyword : digital-camera-accessory-kits LensDesign : SM Manufacturer : Sigma MaxAperture : 2.8 f_stop MaxFocalLength : 24 millimeters MaximumApertureRange : 2.8 MinAperture : 22 f_stop MinFocalLength : 14 millimeters ModelName : Sigma 14-24mm f/2.8 DG HSM Art ModelNumber : 14-24mm f/2.8 DG HSM Art NumberOfDiaphragmBlades : 9 OpticalZoom : 1 multiplier_x PartNumber : 14-24mmF2.8-NIKON-0611-2 ProductDescription : Pairing a versatile range of wide-angle focal lengths with an impressively bright design, the Nikon F-mount Sigma 14-24mm f/2.8 DG HSM Import Model With 1 Year Exclusive Dealer Warranty is an Art-series zoom, distinguished by its fast f/2.8 constant maximum aperture to suit working in available lighting conditions.