Maximum magnification without any variation in the minimum focusing distance
Sigma APO Teleconverter 2x EX DG for Canon, Nikon, Pentax, Sony Digital SLR Cameras
The Sigma APO Teleconverter 2x EX DG for Pentax Digital SLR Cameras is a dedicated APO teleconverter that can be mounted between select lenses and the camera body to
increase the focal length by the power of 2. The multi-layer coating reduces flare and ghosting, which is a common problem with digital cameras. The lens also offers
maximum magnification without any variation in the minimum focusing distance. Compact and lightweight, this teleconverter
can convert your lenses into longer focal-length lenses, so you don't have
to do a lot of unnecessary footwork. A case for the lens is included.
Extend the reach of your telephoto lens with this APO Teleconverter 2x EX DG from Sigma for Canon EF-mount cameras and lenses. This model doubles the effective focal length while only losing 2 stops of light in the process. It also retains communication between the lens and camera, allowing users to use automatic metering and autofocus. Additionally, this teleconverter has a multi-layer coating that reduces flare and ghosting for sharp, clear imagery.
For compatibility please see
this chart from Sigma which outlines which lenses can be used and the various functions possible with each.
Shop for the Sigma APO Teleconverter 1.4x EX DG+ here
Sigma APO Teleconverter 2x EX DG
Reviewed by Gene Wright on