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Sigma Shows How the Internal Zoom of its New 16-28mm Lens Works

Sigma has shared a digital cross-section of its upcoming upcoming 16-28mm f/2.8 lens that showcases the intricate internal focusing system in action. Designed to operate within the delicate balance window of a handheld gimbal, the Sigma 16-28mm F2.8 DG DN Contemporary lens keeps the zooming movement within the interior of the lens in order to keep the lens balanced along the entire focal…
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