Sigma reveals APO Macro 180mm F2.8 EX DG OS HSM full-frame 1:1 macro lens | Photography Gear News | Scoop.it

"Sigma has announced the APO Macro 180mm F2.8 EX DG OS HSM, an image stabilized telephoto macro lens. The company claim it is the first 180mm macro to combine 1:1 reproduction with an F2.8 maximum aperture. It offers a closest focusing distance of 47cm (18.5 inches) and includes the company's optical stabilization and 'FLD' fluorite-like glass elements. An internal focus design and ring-type HSM focus motor allow full-time manual focus override. Pricing and availability will be announced later."