Re: Teleconverters
I am not using Nikon Equipment but the same happens across the line of manufacturers. I have the Canon prime 400mmL 5.6. This is a great and very capable lens. I do have a Tamron Pro 1.4 X TC and had to tape the pins to get AF to work. It still hunted quite a bit. I would not recommend a TC on a slower lens such as this. I have the 70-200 f2.8 an the TC works like a charm. I wouldn't even know it was there.
I had a 2X TC I used with my old manual equipment that I picked up in St. Thomas back in the 80's. On that camera and lens combo, I didn't notice much of a difference because everything was manual. I recently purchased a Sigma 120-300 f.28 and bought the Kenko 2X TC. It will in effect get me 600 mm f5.6 or 420mm f4.0. 420 4.0 beats the 400 5.6 that I currently own. Therefore the 400mm went on the market to offset the cost of the new lens. You will definitely be required to hold your camera much steadier as it will also magnify lens shake.
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