Sigma

Key features:

• Focal length: 24-70mm
• Aperture range: f/2.2-22
• Canon EF mount lens
• 35mm Film/ Full-Frame Digital sensor format
• Optical Stabilization (OS)
• 9 rounded blade diaphragm
• HSM with faster, yet smoother focusing
• Creates beautiful Bokeh 
• Splashproof and dustproof design
• USB Dock compatible

Key features:

• Focal length: 24-70mm
• Aperture range: f/2.2-22
• Canon EF mount lens
• 35mm Film/ Full-Frame Digital sensor format
• Optical Stabilization (OS)
• 9 rounded blade diaphragm
• HSM with faster, yet smoother focusing
• Creates beautiful Bokeh 
• Splashproof and dustproof design
• USB Dock compatible

Key features:

• Focal length: 85mm
• Aperture range: f/1.4-16
• Canon EF mount lens
• 35mm Film / Full-Frame digital sensor format
• Rounded 9-blade diaphragm
• Hyper-Sonic Motor focusing (HSM)
• Two Low Dispersion elements
• Stellar optical performance
• Super Multi-Layer coating

Key features:

• Focal Length: 14 - 24mm
• Aperture range f/2.8 - f/22
• Canon EF Mount Lens
• 35mm Film / Full-Frame Digital Sensor Format
• Hyper-Sonic Motor Focusing (HSM), manual override
• Virtually zero distortion at infinity focus
• 3 FLD, 3 SLD, and 3 Aspherical Elements
• Rounded 9-Blade Diaphragm
• Dust/splash proof Weather Sealing
• Sigma USB Dock compatible

Key features:

• Focal length: 35mm
• Aperture range: f/1.4-16
• Canon EF mount lens
• 35mm Film / Full-Frame / APS-C format
• Hyper-Sonic Motor Focusing (HSM)
• Rounded 9-blade diaphragm
• Two aspherical elements
• Super multi-layer coating
• Sigma USB dock compatible

Key features:

• Focal length: 85mm
• Aperture range: f/1.4-16
• Canon EF mount lens
• 35mm Film / Full-Frame digital sensor format
• Rounded 9-blade diaphragm
• Hyper-Sonic Motor focusing (HSM)
• Two Low Dispersion elements
• Stellar optical performance
• Super Multi-Layer coating

Key features:

• Focal length: 105mm
• Aperture range: f/1.4 - f/16
• Sigma SA mount lens
• 35mm Film / Full-Frame digital sensor
• Hyper-Sonic Motor focusing (HSM)
• Master Bokeh lens
• Exceptional peripheral brightness
• Dust and splash-proof structure
• 17 optical elements in 12 groups
• 9 Rounded diaphragm blades

Key features:

• Focal length: 14mm
• Aperture range: f/1.8-16
• Sigma SA mount lens
• 35mm film / full-frame digital sensor format
• Hyper-Sonic Motor Focusing (HSM)
• Four aspherical elements
• Rounded 9-blade diaphragm
• Brass bayonet mount
• Super multi-layerc coating

Key features:

• Focal length: 28mm
• Maximum aperture: f/1.4
• Sigma SA Mount Lens
• Full frame format
• Hyper Sonic Motor for superior AF
• Special Multi-Layer Coating
• Two FLD glass elements and three DSL elements
• Dustproof, splashproof, oil and water-resistant

Key features:

• Focal length: 135mm
• Aperture range: f/1.8-16
• Canon EF-mount lens
• 35mm film / full-frame digital sensor format
• Hyper-Sonic Motor Focusing (HSM)
• Two FLD elements, two SLD elements
• Rounded 9-blade diaphragm
• Full frame lens with APS-C compatibility
• Sigma USB Dock compatible

Key features:

• Focal length: 135mm
• Aperture range: f/1.8-16
• Sigma SA mount lens
• 35mm film / full-frame digital sensor format
• Hyper-Sonic Motor Focusing (HSM)
• Two FLD elements, two SLD elements
• Rounded 9-blade diaphragm
• Full frame lens with APS-C compatibility
• Sigma USB Dock compatible

Key features:

• Focal length: 500mm
• Aperture range: f/4 - f/32
• Canon EF lens mount
• 35mm film / full-frame digital sensor format
• Optical Stabilization (OS)
• High performance telephoto lens
• Enhanced dust and splash-proof construction
• AF (Auto-Focus) function switch
• Magnesium alloy lens barrel
• Tripod socket with 90 degree click stops

Key features:

• Focal Length: 14 - 24mm
• Aperture range f/2.8 - f/22
• Canon EF Mount Lens
• 35mm Film / Full-Frame Digital Sensor Format
• Hyper-Sonic Motor Focusing (HSM), manual override
• Virtually zero distortion at infinity focus
• 3 FLD, 3 SLD, and 3 Aspherical Elements
• Rounded 9-Blade Diaphragm
• Dust/splash proof Weather Sealing
• Sigma USB Dock compatible

Key features:

• Focal length: 85mm
• Aperture range: f/1.4-16
• Sigma SA-mount lens
• 35mm Film / Full-Frame digital sensor format
• Rounded 9-blade diaphragm
• Hyper-Sonic Motor focusing (HSM)
• Two low dispersion elements
• Stellar optical performance
• Super Multi-Layer coating
• Sigma USB Dock compatible

Key features:

• Focal length: 35mm
• Aperture range: f/1.4-16
• Canon EF mount lens
• 35mm Film / Full-Frame / APS-C
• Hyper-Sonic Motor Focusing (HSM)
• Rounded 9-blade diaphragm
• Two aspherical elements
• Super multi-layer coating
• Sigma USB dock compatible

Key features:

• Focal length: 35mm
• Aperture range: f/1.4-16
• Canon EF mount lens
• 35mm Film / Full-Frame / APS-C
• Hyper-Sonic Motor Focusing (HSM)
• Rounded 9-blade diaphragm
• Two aspherical elements
• Super multi-layer coating
• Sigma USB dock compatible

Key features:

• Focal length: 70-200mm
• Aperture range: f/2.8-22
• Canon EF-mount lens
• Full frame and APS-C size sensor
• 9 FLD and 1 SLD glass elements
• HSM (Hyper Sonic Motor) for high-Speed AF
• 11-blade rounded diaphragm
• Designed to minimize flare and ghosting
• Magnesium alloy lens barrel
• Water- and oil-repellent coating

Key features:

• Focal length: 100-400mm
• Aperture range: f/5-6.3 to f/22
• Sigma SA mount lens
• 35mm Film / Full-Frame Digital Sensor format
• Optical stabilization (OS)
• Hyper-Sonic Motor Focusing (HSM)
• Four SLD Glass elements
• Rounded 9-blade diaphragm
• Super Multi-Layer coating
• Sigma USB Dock compatible

Key features:

• Focal length: 70mm
• Aperture range: f/2.8-22
• Sigma SA Mount lens
• 35mm Film / Full-Frame digital sensor format
• 1:1 life-size magnification
• Focus-by-wire focusing system
• Coreless DC AF motor with manual override
• Flare and ghosting reduction
• Rugged brass bayonet mount
• Sigma USB Dock and Tele-converter compatible

Key features:

• Focal length: 24-105mm
• Aperture range: f/4-22
• Sigma SA mount lens
• 35mm Film / Full-Frame Digital Sensor
• Optical Stabilization (OS)
• Hyper-Sonic Motor focusing (HSM)
• 3 Aspherical, 2 SLD, and 2 FLD elements
• Thermally Stable Composite
• Sigma USB Dock compatible

Key features:

• Focal length: 200 - 500mm
• Aperture range: f/2.8-22
• Sigma SA lens mount
• 35mm film / full-frame digital sensor / DSLR (APS-C sensor)
• Zoom super telephoto
• Built-in LCD panel for focal info
• Minimum focus distance: 6.56 feet (2.00 m)
• 1:8 maximum reproduction ratio
• 9 diaphragm blades