Sigma new lens, the APO 120-400mm f/4.5-5.6 DG OS HSM already announced in UK yesterday which is designed for Sony and Pentax mounts as well as Canon, Nikon and Sigma mounts. This lens is classified into an optically stabilized version that has equipped with Three SLD (Special Low Dispersion) glass elements for chromatic aberration correction and reduces flare and ghosting. Sigma APO 120-400mm f/4.5-5.6 DG OS HSM lens has 150cm minimum focus and a maximum magnification at 1:4.2 with a quiet and high-speed AF and hyper Sonic Motor with full time manual focus. This new Sigma’ lens will start shipping for Pentax start in May 21 and for Sony on May 28 with price targeted at $1,113.
Via DPreview
Source Sigma
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[...] the 17-50mm F2.8 EX DC OS HSM lens at cost $909 included cases and hood ornament (LH825-03). See other Sigma camera lens which is made to support Sony and Pentax [...]