Tamron 17-35mm f2.8-4 DI OSD Lens for Canon EF and blue color lens flares

and blue color lens flares

four groups optical design provides even brightness and sharpness across the image frame

GPS satellites

With an IPX4 water resistance rating

Tamron 17-35mm f2.8-4 DI OSD Lens for Canon EF and blue color lens flaresTamron 17 35mm f 2. 8 4 Di OSD Overview 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