
Sigma 17-50mm f/2.eight EX DC OS HSM FLD Significant Aperture Normal Zoom Lens for Canon Digital DSLR Digital camera Lens Building 17 Factors in thirteen Groups Angle of View seventy two.4-27.9 Amount of Diaphragm Blades seven Mimi Sigma’s new 17-50mm F2.eight EX DC OS HSM huge-aperture normal zoom lens covers a focal duration from...









