- Aperture Range: f/1.4-16
- Hyper Sonic Motor (HSM)
- Floating Internal Focus System
- Minimum Focusing Distance: 11.8"
- Anti-Flare Super Multi-Layer Coating
- USB Dock: Adjust AF & Update Firmware
- Special & "F" Low Dispersion Elements
- Front Filter Thread Diameter: 67mm
- SIGMA Optimization Pro Software
- 9x Circular Aperture Blades

• L-series wide-angle single focus lens
• Blue spectrum refractive optics
• Two aspheric lenses and one UD lens
• Improved durability
• Subwavelength coating (SWC)
• Shortest min. focus distance in its class (0.28m)
• Icreased maximum magnification (0.21x)
• Fluorine coating on front and rear lens
• High-grade design
• 14 elements in 11 groups
• Dimensions (D x L): 3.2 x 4.2 in. (80.4 x 105.5 mm)
• Weight: 26.8 oz. (760 g)

• L-series ultra wide-angle zoom
• Incorporates an Optical Image Stabilizer
• Offers up to four stops of correction
• Three aspheric lens elements and two UD lens elements 
• Optimized coatings to help minimize ghosting
• Circular 9-blade aperture 
• Features inner focusing and ring USM 
• Offers full-time manual focus 
• Minimum focusing distance of 0.92 ft./0.28m 
• Dust-resistant and water-resistant (when used with an optional Canon PROTECT filter)

• Compact and Lightweight
• Hybrid Image Stabilization (IS) 
• Wide angle Lens
• Glass Molded Aspherical Element (GMo)
• Rear Focusing & Ultra Sonic Motor (USM)
• Full-Time Manual Focus in AF Mode
• Minimum Focusing Distance: 0.75ft. / 0.24m
• Ring USM Low-Speed Drive for Video
• Eight Circular Aperture Blades