Kenko 1.4X PRO

Kenko 1.4X PRO
Kenko 1.4X PRO 300 Teleconverter DGX Nikon AF Digital SLRs

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By Chirstopher B. Aiken (CO)
As many of you know the Nikon teleconverters will only autofocus on certain prime and pro model lenses so this converter as being the latest lineup from Kenko is both practical and fits the bill well.

I would hesitate to use the 2.0x teleconverter though this one remains sharp and produces about 80-90% sharp images between 80-200mm which is to say that on a DX camera you are in the vicinity of 420mm considering the 1.5 crop factor in addition to the 1.4 at 200mm. The fitment is tight and you only lose minimal light when mounted. It also does not seem to effect focus acquisition to any noticeable degree.

Try it especially if you own the Nikon lenses not covered by the Nikon teleconverters this one can't be beat for the price.