Tag: Apo
Sigma’s New 70-200mm Lens
Sigma Corporation of America has announced that its new, optically stabilized APO 70-200mm F2.8 EX DG OS HSM lens, which contains the company’s new...
Sigma Releases APO 50-500mm Lens
Sigma Corporation has released its newly-upgraded APO 50-500mm F4.5-6.3 DG OS HSM, which was first announced at the PMA Show back in February. The Sigma...
