I tried a 70-200f4 IS, the 70-200f2.8 IS ll and the 100-400L for a few days with each they all had there plus points but also down sides. The 70-300L however ticked every box for me.
I am as happy as can BEE
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with this lens.
Nice photo and it does look like a nice lens, a tele I may actually carry. Its certainly next on my list.