Kenko Teleplus PRO 300 DGX 2x AF Teleconverter

With the Kenko Teleplus PRO 300 DGX 2x AF Teleconverter full autofocus (AF) functioning is possible with lenses having a maximum aperture of f/2.8 or brighter. Having 2x magnification, the Teleplus PRO 300 is constructed from seven multi-coated elements in four groups, allowing a depth of field that is half of the prime lens used and retaining the prime's minimum focusing distance.