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Sigma Hydrocephalic Telephoto Lens: Want some camera with your lens?

You might not have noticed because of its massive girth, but the Sigma 200-500mm lens actually has a camera connected to its huge mass. And it just goes to show you how incredibly huge this APO F2.8 lens really is. The EX DG is the first lens that offers a fast F2.8 aperture at a lens size of 500mm while maintaining the fast speed even when zoomed. The lens also comes equipped with an LCD panel to preview your focal... Continue reading