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[1 of 1 customers found this review helpful]
from Frederick, CO on 2/21/2010
Comments about Sigma Sigma 1.4x EX DG APO Tele-Converter AF for Nikon AF Cameras:
I've got a generic Kenko TC but the camera doesn't see the change in aperture or focal length. This works perfectly well on my two Sigma telephoto lenses.
[2 of 2 customers found this review helpful]
from Concord, CA on 11/18/2009
Comments about Sigma Sigma 1.4x EX DG APO Tele-Converter AF for Nikon AF Cameras:
I use the Sigma 1.4 tele-converter with a Nikon 70-300mm VR, f4.5-5.6. Since it reduces the amount of light autofocus is not dependable past 200mm. This is not a complaint, just the way it works with a small aperture lens. The tele-converter will not mate physically with my Nikon 16-85 VR or my Nikon 50mm, f1.8. I have tried the tc on my Sigma 150-500mm but the clarity became too poor to be useful. Bottom line, the Sigma 1.4 tele-converter does what it is supposed to do at a very nice price.
[1 of 7 customers found this review helpful]
from Eastern, Iowa on 7/10/2007
Comments about Sigma Sigma 1.4x EX DG APO Tele-Converter AF for Nikon AF Cameras:
Sigma lenes shine with Sigma TC's