Tamron 17-35mm f2.8-4 DI OSD Lens for Canon EF The mount comes with a

The mount comes with a removable 3-prong mount that you can swap out for an included 1/4"-20 threaded stud

Fujifilm WCL-X100 Wide Conversion Lens

GPS satellites

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

Tamron 17-35mm f2.8-4 DI OSD Lens for Canon EF The mount comes with aTamron 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