The Sigma 18-35mm f/1.8 DC HSM Lens for Nikon is a wide-angle to normal-length zoom lens that features a fast, bright constant f/1.8 maximum aperture.

• Aperture Range: f/1.8-16
• Fast Constant Maximum Aperture
• Designed for APS-C-Sized Sensors
• 35mm Equivalent Focal Length: 27-52.5mm
• Hyper Sonic AF Motor
• Internal Focusing and Zoom Design
• Four Aspherical and 5 SLD Glass Elements
• Super Multi-Layer Coating
• Nikon F Lens Mount
• Compatible with Sigma USB Dock
• Focal Length 18 - 35mm
• Comparable 35mm Focal Length: 27 - 52.5 mm
• Aperture Maximum: f/1.8
• Minimum: f/16
• Camera Mount Type: Nikon F
• Format Compatibility: Nikon DX
• Angle of View: 76.5 degrees Fahrenheit - 44.2 degrees Fahrenheit
• Minimum Focus Distance: 11-inch (27.94 cm)
• Maximum Reproduction Ratio: 1: 4
• Elements/Groups: 17/12
• Diaphragm Blades: 9
• Image Stabilization: No
• Autofocus: Yes
• Filter Thread Front: 72 mm
• Model: 210-306
• Included items: Sigma 18-35mm f/1.8 DC HSM Lens for Nikon,Petal-Type Lens Hood,Front Lens Cap,Rear Lens Cap
• Dimensions: 3.07 inches wide x 4.76 inches long
• Weight: 2 pounds