The Sigma OS HSM DG lens lends a hand to photographers who specialize in close-ups. With a 105 mm focal length, this Sigma camera lens for Canon is specifically designed to clearly zoom in on objects with crisp clarity. An f/2.8 aperture clearly highlights the details within the shot. This 105 mm f/2.8 lens has an optical stabilizer (OS) that helps to capture magnified images in handheld Canon cameras. The Sigma OS HSM DG lens features macro technology for 1:1 magnification. It offers the choice between using an automatic or manual focus. The 105 mm f/2.8 lens also prevents distortion with the help of low dispersion techniques. With a 3.1-inch diameter, this Sigma camera lens for Canon is compact enough for travel, but its effects are valuable for everyday use. The Sigma OS HSM DG lens is compatible with Canon digital cameras, and it is for both amateur and daily professional use.