Gene51 wrote:
I use a Feisol CT3442. It weighs 2.31 lbs, and Feisol rates it at 55 lbs load. It folds to under 20" and with a medium ball head will be around 3.2 lbs. I am 5"11" and don't have an issue with it's 55" height - because after you factor in the head the camera's eyepiece will be another 8" or so higher. I don't know of a lighter stronger tripod. I have used it successfully with a 300mm lens and a ball head (Sirui K30X, and Arca Swiss Z1), and it was ok. I am not sure if it is stable enough for 400mm, though. If you use an unrestricted (not locked down) gimbal, it should be OK.
I also use their bigger CT3472, but it is 4lbs without the head, and is quite a bit more stable. I reserve that for my 600mm F4, which I will use with a 1.4xTC on occasion. It is rock solid, and without the head, will still fit in a carryon bag.
I use a Feisol CT3442. It weighs 2.31 lbs, and Fei... (
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I have followed Gene's recommendations in the past and purchased Feisol tripods. They are excellent! I'll second his recommendation.