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Old 04-09-2011, 03:36 PM
frankdcohen frankdcohen is offline
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Join Date: Jul 2010
Location: Clearwater, FL
Posts: 2
Default Tc-20e iii

I have been using the Nikon TC-20E III with a Nikkor 300mm f/2.8 an while I am sure it is not a tack sharp at the 600mm f/4, I can handle losing an almost imperceptible amount of sharpness and 1 stop for $10,000.
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