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The Sigma 105mm F2.8 EX DG OS HSM Macro is an f/2.8 lens with a classic macro focal length. It's not the sharpest lens wide open, but it does a good job from f/4 onward. The Sigma 105mm F2.8 EX DG OS ...

If you were to draw up a set of specifications for the ideal macro lens, the Sigma 105mm F2.8 DG DN Macro Art ($799) is what you'd end up with. It's a full-frame macro, built just for mirrorless ...

It's hard not to think of the Sigma 105mm F1.4 DGH HSM Art ($1,599) as a speciality lens, specifically one for portraiture. It's a big, pricey, chunky piece of glass, but one with a short telephoto ...

Sigma 105mm F2.8 EX DG OS HSM Macro : Spider The lens performs its best at f/5.6 and f/8, topping 2,300 lines at each setting. If you're using the lens for macro work, you'll generally be stopping the ...