Increase your focal length by 2x
The TeleConverter provide a larger focal length and allow greater mobility, which is useful for taking photographs of sport, nature and landscapes.
Only suitable for Sigma EX lenses.
The Sigma 2x EX DG Tele Converter is placed between the lens and the camera, and it allows the photographer to use the 70-200mm f/2.8 lens as a 140-400mm f/5.6 telephoto zoom lens, and the 300mm f/2.8 lens as a 600mm f/5.6 ultra telephoto lens.
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