Upload & Sell: On
I find it easy to grow fond of the 2xTC III, though I have a way to go when it comes to BIF.
...but there are other things too...
5DIII + 70-200II without and with the 2xTCIII, not so bad to carry, easy to use.
Both shots taken hand held from the same point, incidentally.
5DIII+70-200II+2xTCIII close to 100% crop