1.4x Teleconvertors = good 2.0x TC = okay but not so good,
Stacking them = a no-no.
I've never been too good with obeying rules........Soooooooooo........
400mm + 2x TC + 1.4 TC = 1,120mm
Add in a little PS.......
And

Oh Yeah ...BTW the shot was handheld
&n