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Tag: A1 MTF
03.02.2015

Sigma 24mm F1.4 DG HSM | Art: First Look

Along the Brooklyn waterfront. 30 second exposure at F11 at ISO 100 on the Canon 6D by Patrick Santucci.

Patrick Santucci and I had a few days to check out the first sample of the new 24mm F1.4 DG […]

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05.28.2014

First Look: Sigma 50mm F1.4 DG HSM | A

Daffodils, captured wide open at F1.4 with the new Sigma 50mm F1.4 DG HSM | A lens on a classic 5D. 1/5000 F1.4 ISO 100.

The Sigma 50mm F1.4 DG HSM | A lens is simply amazing. This standard field of view, fast-aperture, full-frame, prime lens combines outstanding sharpness, fast autofocus, in a lens that is built with a singular vision on performance.

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02.03.2014

Geometric and Diffraction MTF Charts: A Clearer Picture for Photographers

Our technical product information has been expanded to now include both Geometric and Diffraction MTF charts for new Sigma lenses. You can take a look at the technical information about the new Sigma 18-200mm F3.5-6.3 DC OS HSM | Contemporary lens on the Sigma Global Vision website to see these graphs plotted as part of the total package of information we share to help photographers understand the performance of our lenses.

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