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The rumors were true: Sigma officially announced the world’s first 18-35mm f/1.8 DC HSM zoom lens: World’s first lens offering an aperture of F1.8 throughout the zoom range.SIGMA 18-35mm F1.8 DC HSM The Sigma Corporation is pleased to announce the new Sigma 18-35mm F1.8 DC HSM, the large aperture APS-C format standard zoom lens. What […]