Tags Posts tagged with "Inner focusing system"

Tag: Inner focusing system

Sigma Corp. of America’s 1:1 APO 180mm f/2.8 Macro Lens

Las Vegas, NV--Sigma is calling its new APO Macro 180mm f/2.8 EX DG OS HSM “the world’s first 180mm macro lens that offers a...

New 17-50mm Lens From Sigma

Sigma Corporation recently introduced the new 17-50mm F2.8 EX DC OS HSM lens. This large-aperture, standard-zoom lens is designed for small chip, APS-C digital cameras...

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