are teleconverters any good?
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04-10-10, 06:59 PM
Join Date: Sep 2010
Originally Posted by
Yes, this Kenko will work with your camera. Not worth using with 50mm but would be OK with the Tamron 90mm macro. I use Nikon's 1.4 and 2x converters with my Nikon 105mm F2.8 VR macro, but be aware that it can hunt if you lose the focus. I've use both to photograph Dragonflies in the air.
Personally, I wouldn't bother with a TC for the SP90. In my experience the Tamron SP90 is a real hunter and the auto focus can just go wandering off on its own, relatively willy-nilly. Stick a TC lens on the back of it to diminish the light even futher and you might as well just leave the lense cap on lol.
That and the fact that the AF on the SP90 is painfully slow, especially compared to the Nikkor105mm f/2.8. Now that is a beast of a lens, one which I covert from my dad's kit bag, along with his 70-200mm VR lol.
My advice would be to use the SP90 for macro work and posed portraits. If you want more magnification for macro work, get the Kenko extension tubes at around £135. You lose autofocus with them but still keep the metering information. Macro work is best performed in MF anyway.
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