Sigma 2 x EX DG Tele converter Nikon
This Sigma 2x EX DG Canon tele converter is placed between the lens and the camera and it allows the
| This Sigma 2x EX DG Canon 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 |
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