Sigma Zoom 17-70 2.8-4.5 Macro

Product Description

Sigma 17-70mm f/2.8-4.5 DC IF Macro Lens for Canon Digital SLR Cameras

Specifications

• Focal length: 17-70mm
• Maximum aperture: f/2.8-4.5
• Lens construction: 15 elements in 12 groups
• Angle of view: 72.4 to 20.2 degrees (Sigma SD format)
• Number of diaphragm blades: 7
• Minimum aperture: f/22
• Minimum focusing distance: 7.9 inches
• Maximum magnification: 1:2.3
• Filter size: 72mm
• Corresponding AF mounts: Canon
• Dimensions: 3.1 inches in diameter and 3.2 inches long
• Weight: 16.0 ounces
• Warranty: 1 year