The Sigma 105mm f/2.8 EX DG OS HSM Macro Lens is a large-aperture medium-telephoto macro lens that offers advanced performance of close-up photography. The OS (Optical Stabilizer) system enables handheld close-up photography. A Special Low Dispersion (SLD) lens and one high refractive index SLD lens provide excellent correction for all types of aberration and distortion. Additional features: Super Multi-Layer Coating; HSM (Hyper Sonic Motor); rounded 9 blade diaphragm; floating focusing system; plus more!
SIGMA SLR Lenses