I use this ballhead primarily for landscape photography and I am very satisfied with it. It easily holds my Canon 1D MkII N with a 100-400L zoom lens with no problem. It has very little sag, and once you set it, it STAYS in place. The one recommendation I would have is to reverse the trigger mechanism to the left instead of the default (right handed) position. If you do this, it is easier to change the position of the head with your left hand and at the same time still have your right hand free to manipulate the shutter and most of the controls which are on the right side of all major DSLR brands of cameras. Its not quite a Kirk, Really Right Stuff or Acratech head, but then again its way cheaper than those brands. It provides acceptable performance at a fraction of the price of those heads. A little large but in my opinion its performance outweighs its slightly bulky size. Quite satisfied!Get more detail about Manfrotto 322RC2 Horizontal Grip Action Ball Head with RC2 Rapid Connect Plate (3157N).