Tamron SP AF 10-24mm f/3.5-4.5 Di II LD Aspherical (IF)

Manufacturer's Description:

"The innovative, high-performance ultra wide-angle zoom lens (model B001) is designed exclusively for Canon and Nikon digital SLRs with APS-C sized image sensors (Di (Digitally integrated design)-II lenses are designed for exclusive use on digital cameras with APS-C sized smaller image sensors. Di II lenses are not designed for use with 35mm film cameras and digital SLRs with image sensors larger than 24mmx16mm)."