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Monday, March 28, 2011

Hands-On with the Sigma 50-500 F4.5-6.3 APO DG OS

Article and images by P3's Melanie Beus 
The lens used for this review was with a Pentax mount, and used on a Pentax K-7 camera. Although it will, by necessesity, be somewhat skewed toward the peculiarities of the Pentax DSLR system, many portions of this review will be applicable across all camera systems.

The latest version of Sigma's super zoom, the 50-500mm, AKA "Bigma", come equipped with their proprietary HSM (hyper-sonic motor) focusing system. This is but one of the changes from the previous iteration.

"Let's not kid ourselves. This lens is a beast. And it's made even more beastly when zooming out to 500mm. It is fairly unreasonable to expect to be able to produce perfect images with this lens in the first few snaps of the shutter."

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