Sigma 12-24mm F4.5-5.6 EX HSM DG AF Lens (Canon) Sigma AF 12-24mm F4.5-5.6 EX HSM Lens For Canon EOS Digital SLR Cameras Sigma 12-24mm 4.5/5.6 EX DG ASPH Zoom (Canon) is a new addition to
the family of Sigma Aspherical lenses. It has super wide angle
of 122 degree and angle of view at 12mm along the diagonal axis more
