Sigma TC-2001 2x Teleconverter Camera Lens Cases With its bright f/2

With its bright f/2

8 DG OS HSM Art remains well-balanced for daily professional use

The subtle diffusion is highly responsive to lighting intensity and angle

and a 15mm rod system

Sigma TC-2001 2x Teleconverter Camera Lens Cases With its bright f/2Compact, light, and provides easy extension of focal range, the Sigma TC 2001 2x Teleconverter offers an increase in focal length of 2 times for select Global Vision lenses. By mounting it in between a telephoto lens and a camera, the offered magnification of focal length of TC 2001 is 2 times, offers full communication between the lens and camera, and will allow autofocus to operate at up to f 8. The teleconverter incorporates SLD (Special Low