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Tag: outdoors
06.30.2015

Sigma 10-20mm F3.5 EX DC HSM for Outdoor Action Photography

1/800 sec. f8.0 ISO 400 at 10mm on Canon 7D with off camera flash.  From top to bottom and foreground to background there is a lot for the eye to see in this image.  That is the beauty of a wide angle like the 10-20 f3.5 EX DC HSM to put an athlete in an environment.

Editor’s Note: A few years back, we first came to notice the outstanding work Liam Doran was creating with the […]

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06.26.2015

The Sigma 150-600mm F5-6.3 DG OS HSM | Contemporary versus the 150-600mm F5-6.3 DG OS HSM | Sports

The Sigma 150-600mm F5-6.3 DG OS HSM | Contemporary lens has a removable tripod collar. When the collar is removed, there is a rubberized ring that slides into place to cover the mounting bolts for a better hand-held experience. Sigma is rethinking lenses. From the innovative zoom lock at all marked focal distances, to lens customization for AF speed, custom focus limiter and more, the 150-600mm F5-6.3 DG OS HSM | Contemporary is a fantastic hyper-tele zoom lens designed with an eye on portability and performance.

Last year, Sigma announced a pair of zoom lenses for full-frame cameras, the 150-600mm F5-6.3 DG OS HSM | Sports and 150-600mm F5-6.3 DG OS HSM | Contemporary. With identical focal lengths and apertures, and advanced feature sets including the Sigma-exclusive lens customization, these two new champion zoom lenses share a significant amount of DNA. So, what is the difference between the Sports and Contemporary version of the Sigma 150-600mm zoom lenses?

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03.02.2015

Introducing Sigma Vision magazine!

© 2015 Liam Doran
This morning sun rises over the San Juan Mountains
of southwest Colorado bathing the deep snow on Coal Bank Pass in low angle light. I spent two days
skiing and shooting with local pro skier Sven Brunso. His knowledge of the area is extensive and was
critical in helping us capture some amazing shots.
Sigma 24-105mm F4 DG OS HSM lens on a Canon

Welcome to the premiere issue of Sigma Vision, the new biannual magazine from Sigma Corporation of America, featuring inspiring imagery and great technical advice!

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02.02.2015

Why Circular Polarizers Still Matter

wr-cpl-58mm_01

Why circular polarizers still matter: A high quality circular polarizer is still one of the most important accessories for any photographer’s bag. And the new Sigma Weather-resistant Circular Polarizers offer incredible performance, weather-tough design, and a fantastically upgraded case with grip arcs that keep the filters from rattling around in the bag.

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11.25.2014

How to get Published in Outdoor Sports Magazines

Ski photographer Liam Doran offers tips for breaking into adventure sports photography for the biggest magazines.

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