I also use a Gimble similar to the one You've shown, been using if for a few years now. It was a cheaper one compared to some out there, the only issue I've found is that the Main upright where it is fixed to the boss that the tripod screw mounts to has moved and is not about 20 Deg of now not upright. But it hasn't moved any further, so other than that I use it on a Canon 7Dmk2 and the sigma 150-600 Sports lens so one of th eheavier 150 to 600s. it goes well, I use it for my Bird photography, I also have a geared head which I mainly use for landscape work and have used it with the 600 as well, but mainly use the gimbal head when using the 600. The choice of head will probalby come down to what your trying to show, something that moves (Wildlife , some sports, Aircraft) or landscapes.