
Originally Posted by
Ofer Levy
Thanks Artie, I have read this article. I find it hard to believe that even the new 600mm with the new x1.4 will be as good as the 800mm without a converter - in image quality and speed of acquiring focus. Another important thing to note is that I own the Canon 300 f2.8 which works fine with the 2 TC so I will have 420mm, 600mm, 800mm, 1120mm and when I REALLY need the reach 1600mm... Most of the time I use the 600 plus x1.4 combo so the straight 800 is a good choice for me.