Sigma announced five new lenses and new FLD lens optics at PMA this year. They have new OS (Optical Stabilizer) versions of the 50-500mm “Bigma” zoom lens and the venerable 70-200 f/2.8 EX DG HSM professional zoom lens. There’s also a rectilinear 8-16mm super-wide zoom and a 17-50mm f/2.8 zoom with OS image stabilization for APS-C sensor DSLRs. And for the photojournalists and portrait photograp..
