Sigma 135mm DG HSM Lens for Canon EF Single Focus Art SLR Cameras F1.8 Mount, Telephoto, Full-Frame

To take advantage of the compression effect of the focal length and the large bokeh created by the large F1.8 aperture, axial chromatic aberration has been thoroughly eliminated, resulting in high-contrast, clear image quality. The 135mm lens's telephoto effect compresses perspective and streamlines the image, making it ideal for portrait photography, from close-ups of faces to full-body shots. Axial chromatic aberration has been thoroughly eliminated, resulting in high contrast, clear image quality. Canon EF mount 135mm F1.8 Single focus Telephoto SLR full size