Quote:
Originally Posted by M_Six
Just as a fun experiment I stacked all three TCs on the 400 5.6 and MkIII. This is 1568mm at f22. Even though these leaves are in bright sunlight, it still required ISO 5000 to get 1/2000 sec. Manual focus, of course. Still, pretty decent detail for so many stacked TCs. If I had a sitting bird to shoot, it might have come out ok. These leaves were a good 400ft or so away. I only cropped a bit to get to 4:3, so this is pretty much the full shot. If the clear skies hold out, I may try a moon shot tonight.
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Pretty sharp, considering all the glass!
Dave