The Sigma 10-20mm f/4-5.6 EX DC HSM lens offers an ultra-wide zoom solution to digital cameras, and was exclusively designed to suit the characteristics of digital SLR cameras. DC lenses are exclusively designed for digital SLR cameras. The image circle (rear of lens) is made to match the smaller dimensions used for the image sensor on digital cameras. As a result, these lenses are also more compact and lightweight, and are better matched to digital SLR cameras. EX lens series denotes excellence of engineering and new technology Correction for various types of aberration provided by three SLD (Special Low Dispersion) glass element and two aspherical lenses Equipped with the silent, responsive and high speed Hyper Sonic Motor and provides fulltime manual focus override Minimum focusing distance of 9.4" at all focal lengths The IF (Internal Focusing) design offers smooth and fast autofocus and non-rotating filter attachment

Image Circle	APS-C
Type	Wide Zoom
Focal Length	10 - 20mm
APS Equivalent	1.5x: 15 - 30mm; 1.6x: 16 - 32mm; 2.0x: 20 - 40mm
Max Aperture	f/4 - 5.6
Min Aperture	f/22
Diaphragm Blades	6
Lens Construction	14 elements in 10 groups, including three aspherical elements and three Special Low Dispersion (SLD) lenses
Diagonal Angle of View(Based on image circle)	102.4 to 63.8 degrees
Focus Details	Internal with HSM
Front Element Rotation	No
Zoom System	Rotary
Closest Focus	0.24m / 0.79 ft.
Magnification Ratio	0.15x / 1:6.7
Filter Size	77mm

• 10-20mm f/4-5.6 EX DC HSM Autofocus Lens
• Front & Rear Lens Caps
• Lens Hood
• Case
• 1-Year Worldwide Warranty
• Brand New Factory Fresh Import Model