Lowepro and Polar Bears International (PBI), a non-profit organization dedicated to the worldwide conservation of the polar bear, has launched a photo contest titled “My Favorite Things.” The Grand Prize winner will receive a Frontiers North’s Tundra Buggy Adventure for two to observe polar bears in their natural habitat in Churchill, Manitoba, Canada in November of 2010.

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Corel’s Quest for the Best Creativity Challenge is looking to discover and showcase some of the extraordinary and inspiring work made in Corel software every day. Whether you’re someone who makes a living from your creations or you create art for the love of it, you’re invited to enter your best work created using Corel software! If you simply want to enjoy what others have created, just visit the site and vote on your favorites for a chance to win.

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Sigma Corporation of America (www.sigmaphoto.com) has announced that its new, optically stabilized APO 70-200mm F2.8 EX DG OS HSM lens, which contains the company’s new “F” Low Dispersion (FLD) lens glass, is now available in the United States for the MSRP of $2,470.

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Tamron announced another advance in the company's pursuit of high resolution images in the telephoto lens category with the release of its anniversary model SP 70-300mm telephoto zoom lens featuring VC (Vibration Compensation) image stabilization and an ultrasonic auto-focus drive –– USD (Ultrasonic Silent Drive). The SP 70-300mm F/4-5.6 Di VC USD (Model A005) high-resolution DSLR telephoto zoom lens is available for the Nikon mount on August 26, 2010, with the launch of mounts for Canon and Sony to follow.

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