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Hultman and Merco_61 maybe a stupid question from a newbie .... to get the longer length you require without the expense Of a new lens would a 2X-3x teleconverter fill the gap?? I realize there are limitations with using this and if you can afford it certainly a new lens has advantages
The problems with using teleconverters are that the extension costs light. A 2X steals 2 stops of light so an f/5.6 lens is now f/11, stopping the AF from working and making it difficult to see to focus manually. A 3X steals 3 stops, making it an f/16.
Add to that the fact that they degrade contrast and sharpness and the idea doesn't seem so good anymore.
Another problem is that the cheap ones aren't good and the Nikon TC-s have a protruding front element making them impossible to mount on consumer lenses.
- TBonz, Bengan and ralphcanuck like this
