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Keyword: 18-35mm
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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11.28.2013

Sigma Safari Photo Shoot: Promo Images

© 2013 Lindsay Adler | Camera: Sigma SD1 | Lens: 18-35mm F1.8 | Focal length: 26mm | Shutter speed: 1/125sec | ISO 100 | Aperture: f/11

The PhotoPlus Expo, held annually at the Jacob Javits Center in New York City, is one of the biggest photo […]

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10.31.2013

Sigma 24-105mm F4 DG OS HSM | A: First Impressions

This full-frame wide-to-tele constant aperture zoom has an $899 street price.

First look at the new Sigam 24-105mm F4 DG OS HSM | Art lens. The newest lens in Sigma’s lineup is a full-frame constant-aperture wide-to-tele zoom with OS.

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10.22.2013

“Go Wide”- Utilizing Extreme Wide Angle Lenses for Impact

© 2013 Lindsay Adler | Lens: Sigma 12-24mm| Camera: Canon 5D Mark II | Focal Length: 21 | Shutter speed: 1/100 sec | Aperture: f/5.6 | ISO: 400

One way to create eye-catching imagery is to break the rules. When you shatter these rules, you stop people in their tracks! One of the first rules of portrait and fashion photography I learned was to NOT use a wide angle lens when photographing people. I was told this would distort their features and be unflattering to the model. But what if you use the wide angle on purpose to distort and exaggerate a scene? Then it creates visual interest and impact. Now your images stand out and become memorable.

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09.09.2013

Recent Reviews Roundup

Top publication such as Shutterbug, Examiner, PC Magazine, CNET, Popular Photography, Gizmodo and others review Sigma lenses and photography equipment including the Sigma 18-35mm 1.8, the Sigma 35mm 1.4, the Sigma 120-300mm 2.8 and much more.

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08.01.2013

Why the New Lens Mount Conversion Service is Great for Photographers

Many times I’ve been asked on Facebook and elsewhere if it is possible for a photographer to keep their favorite Sigma lens and get a lens mount swap after making the decision to switch from one camera to the next, and now, finally, I can answer them with the answer they (and I) want to hear! As of September 2, 2013, owners of lenses in Sigma’s line of the Sigma Global Vision lenses: Art, Sports, and Contemporary, can now send their lenses in for a mount swap. This is a paid service, and lenses will be shipped to our Aizu, Japan factory for the mount conversion

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