Lens Review: Sigma 150mm f/2.8 EX DG OS HSM APO

The Sigma 150mm f/2.8 EX DG OS HSM APO updates an existing (and now discontinued) 150mm macro, redesigning its array of lens elements and adding optical stabilization to the mix. As Sigma excels in doing, the lens plugs a hole in other manufacturers' lineups, offering a medium telephoto macro solution with integrated optical stabilization. We've run the lens through its paces in our test lab: click here to read our full review of the Sigma 150mm f/2.8 EX DG OS HSM APO.