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Home » Five new Sigma lenses: video

Five new Sigma lenses: video

Five new Sigma lenses: video

Karen Sheard

Feb 25, 2010

How we test

Every piece of equipment that comes our way, whether a camera, a lens or an accessory, gets the same level of careful scrutiny. We discover what products are good at and what they are not so you don’t have to. Tests are not just made in the lab, but our technical findings are also investigated in practical situations to establish what readers can expect in real-world conditions.

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Five new lenses were launched by Sigma at PMA 2010

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Karen Sheard

Online Manager 2007 - 2016

Karen studied photography in 1994 at Dewsbury Art College and obtained a degree in Writing from Middlesex University in 2002.

She managed the Amateur Photographer and What Digital Camera websites for 9 years, taking care of everything from the site content and social media channels through to the technical development of the site.

Why Trust our journalism?

With masses of experience testing equipment from every photographic brand over the last three decades, the What Digital Camera team is uniquely placed to compare all that’s on the market and deliver clear buying advice for every budget.

Editorial independence

Editorial independence means being able to give an unbiased verdict about a product or company, with the avoidance of conflicts of interest. To ensure this is possible, every member of the editorial staff follows a clear code of conduct.

Professional conduct

We also expect our journalists to follow clear ethical standards in their work. Our staff members must strive for honesty and accuracy in everything they do. We follow the IPSO Editors' code of practice to underpin these standards.

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