Kenko Teleplus MC-7 "DG" 2x AF Teleconverter for Canon EOS

KENKO AF 2X Teleplus converter MC7 gives you the "IMPACT OF POWERFULL EFFECT" and also your lens's focal range will be greatly increased. KENKO AF Teleplus converter has genuine Gate Array IC. It means that not only the Teleplus's own unique data, but the entirety of data set from the camerabody, needless to say full linkage is also provided for electronic flash photography. Full AF linkage with Teleplus is possible with camera lenses with open aperture of F4 or brighter (Manual focusing is required when using lenses with smaller open f-stop value than those given above.)

DG Series
New DG Series have upgraded "Gated-Array" circuitry to work better with the digital SLR's and some of the the new digital only lenses. They still work the same with film SLR Cameras and lenses as well