Sigma 1.4x EX DG APO Teleconverter Sigma Fit
Sigma 1.4x EX DG APO Teleconverter Sigma Fit
The 1.4 EX is placed between the lens and the camera, and it allows the photographer to use the 70 200mm f2.8 lens as a 98 280m f4 lens, and the 300mm f2.8 lens as a 420mm f4 lens;
No further specification information available



