Thanks, Alan.
I do not want to make comparisons between those two teles.
I only want to see, if the loss of sharpness of the first copy of the TC is still there.
Yesterday, I did choose the 100-400 for easy portability because I did have just little time and because I was able to get very sharp photos during my vacation with it, see the pennant photos above,
Today, weather is bad and a cold front is moving through. But this weekend I hope.
But I still have some close-ups to post of compound eyes, and they look pleasing.
