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; the high optical performance is maintained and the AF speed is not affected.
Price: £199.00 from Wex Photographic
The Sigma 1.4x TC 1401 teleconverter has been developed exclusively for Sigma's Global Vision lenses, such as the Art, Sports and Contemporary range. By mounting it in between a telephoto lens and a camera, the offered magnification of focal length is...
The Sigma 1.4x TC 1401 teleconverter has been developed exclusively for Sigma's Global Vision lenses, such as the Art, Sports and Contemporary range. By mounting it in between a telephoto lens and a camera, the offered magnification of focal length is...
The Sigma 1.4x TC 1401 teleconverter has been developed exclusively for Sigma's Global Vision lenses, such as the Art, Sports and Contemporary range. By mounting it in between a telephoto lens and a camera, the offered magnification of focal length is...