Beach Camera Sigma 17-50mm f/2.8 EX DC OS HSM FLD Zoom Lens for Nikon Includes Bonus Sandisk 64GB Extreme SD Memory UHS-I Card w/ 90/60MB/s Read/Write SIGMA AUTHORIZED DEALER With FULL Warranty - (MODEL No. 583306) INCLUDES BONUS Sandisk 64GB Extreme SD Memory UHS-I Card w/ 90/60MB/s Read/Write ALSO INCLUDES Front and Rear Lens Caps, Lens Hood, Case, 1-Year Worldwide Warranty + 3-Year Extended USA Warranty LARGE APERTURE, stabilized, standard zoom lens. FLD GLASS with performance equal to fluorite. CARRYING CASE, lens hood, front & rear caps. OS is not available in Pentax and Sony mounts. MAXIMUM MAGNIFICATIONS 1:5, Minimum Focusing Distance 28 cm / 11 in. Lens Construction - 17 Elements in 13 Groups Maximum Magnification - 1:5 Angle of View - 72.4-27.9 degrees Filter Size Diameter - 77mm Number of blades - 7pcs (Rounded diaphragm) Lens Hood - Petal-type hood (LH825-03) Minimum Aperture - F22 Dimensions (Diameter x Length)- 83.5x91.8 mm/3.3x3.6 in Minimum Focusing Distance - 11in/ 28cm Corresponding Mount- Nikon Sigma 17-50mm f/2.8 EX DC OS HSM FLD Zoom Lens for Nikon DSLR Cameras Front &amp; Rear Lens Caps Lens Hood Case 1-Year Worldwide Protection+ 3-Year Extended USA Protection SanDisk 64GB Extreme SD Memory UHS-I Card w/ 90/60MB/s Read/Write