03-11-2017 05:00 PM
I did admit, "...you can get them to work but it is never as good as it is without them. ...". So I also admit they do have a tiny bit of usefulness. Very tiny!
They all seem to work well on any of the 70-200mm f2.8 lenses that everybody makes anymore. I have one for each lens brand I own.
03-11-2017 08:54 PM
"Having an articulated screen is not game changer feature for me."
If there were two models exactly alike, one with an articulated screen and one without, I will buy the one without 100% of the time. They are simply a gimmick.
until you have to hold the camera over the heads of people in front of you in order to get the shot.
1. That's an unusual way to shoot bird-in-flight.
2. Being 6'9", I can only imagine the issue that you're talking about.