Tamron 17-35mm f/2.8-4 DI OSD Lens for Canon EF

Lightweight and versatile, the Canon EF-mount 17-35mm f/2.8-4 DI OSD Lens from Tamron covers a range of wide-angle focal lengths while maintaining a bright maximum aperture. The variable aperture of f/2.8-4 provides exceptional control over depth of field and allows enough light in to excel in many low-light situations. Housed in the lens, which weighs slightly more than a pound, are 15 elements in 10 groups that include Tamron's Broad-Band Anti-Reflection Coating to reduce reflections, ghosting, and fla...