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Sigma f/1.8 zooom: Image smaples, MFT, Distortion and Vignetting charts.

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MTF chart

Sigma announced that surprising f/1.8 constant aperture zoom. Now you can read a hands-on preview at ePhotozine. And what’s even more interesting are the first image samples posted by Lcap.

We still don’t know if that lens will also be made for A-mount. In the meantime you can analyze the lens performance through those graphs:

Vignetting chart

Distortion chart

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