I bought a Nikon 70-200mm f/2.8 lens and Nikon TC-17E II (both new) this week for use with my Nikon D300.
Put the Nikon 70-200mm on my D300, it works beautifully. Couple the TC-17E II with my Nikon 105mm, again a beautiful combination with lovely sharp macro photos (but manual focus as autofocus does not work with the 105mm).
But put the TC-17E II and 70-200mm and autofocus only sporadically works. Most of the time I get chattering over close focal lengths...sometimes it will focus, but not up to my expectation given I have heard the TC-17E II was designed espcially for the lens. I am not convinced it is lack of light or contrast causing this problem.
Any suggestions about what I can try to remedy this problem. I am currently using the teleconverter with manual focus.
1 Other User Has The Same Problem
Comment by Blax_R, posted on Feb 25, 2008
I also have the Nikon 70-200 & TC-17E combo and am not impressed. I can get sharper shots by removing the TC-17E and cropping the photo. Now, I am trying to decide whether to return the teleconverter or keep it to use with a macro lens. The 70-200, incidently, is the best lens that I have ever used. I just wish that I could get the longer reach for birds and nature shots. I'm considering the 80-400 (the 200-400 would be my choice if was more affordable)
The 17e may have slow-ish performance in low light, but it should still be usable. If neither of these issues is apparent then it may need to be exchanged or serviced.
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