Entries from Professional Photographer Magazine Web Exclusives tagged with 'Sigma'

Sigma USB Dock: Improving Autofocus Performance

Sigma has recently has gone a step further and introduced the Sigma USB Dock and Sigma Optimization Pro software. The dock and software allow you to reprogram autofocus performance and update firmware for the new Global Vision line of Art, Contemporary, and Sports lenses.

20,000 Facebook Follower Celebration Giveaway (Day 6)

Thanks so much to our readers for contributing to the success of our Facebook page and the community of photographers there. To have gathered more than 20,000 followers in just over 10 months really says something about the passion people...

Review: Sigma APO 50-500mm f/4.5-6.3 DG HSM Lens

By Don Chick, M.Photog.Cr., CPP  The new Sigma APO 50-500mm f/4.5-6.3 DG OS HSM lens with its 10X zoom range is one impressive lens. Sigma pitches this lens as the “all-in-one” dream lens, especially for nature photographers. It’s also suitable...

Review: Sigma APO 50-150mm F2.8 EX II DC HSM

By Don Chick, M.Photog.Cr., CPP As a passionate portrait photographer, I prefer to use a zoom during a session for the flexibility and range that a zoom lens has to offer. In order to minimize distortion, much of my portrait...

Review: Sigma 18-250mm F3.5-6.3 DC OS HSM

The “all you can eat” lens! By Don Chick, M.Photog.Cr., CPP What kind of genie would you need to call if you wanted a lens that is reasonably priced, has fantastic zoom range, and is super fast? We’ll let you...

Roundup: High-end Digital SLRs

It takes more than megapixels to distinguish a camera in the field of high-end digital SLRs. Find out what the current crop has to offer. By Ron Eggers The digital single lens reflex market continues to expand as new companies...

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