The latest report says that the long rumoured Sigma 70-200mm f/2.8 DG HSM OS Sport series lens will finally make an appearance ahead of Photokina, which takes place in September of 2018.
At least one patent for a new 70-200mm f/2.8 optical formula from Sigma exists.
We've also been told in the past that the 70-200mm f/2.8 OS Sport could be announced alongside a 70-200mm f/4 OS contemporary lens.
More to come…
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