It took 6 for mounting and dismounting get to have a feeding contact between the grip handle and the camera body. Only the shutter release button works flawless because it is independent of the supply. Orders for primary and secondary wheel and the "mini joy-stick" button are capricious because the supply contacts between the handle and the housing are not francs. If the handle mounting screw is tightened, there is no handle communication> In summary, if we take the camera mainly by the grip handle, there are bad contacts even if it is tight. The handle only works if it carries the weight of the device with the other hand. The AF button (when it deigns to run) is too resistant to pressure forcing the hand and to stiffen may cause camera shake. I give two stars for meeting deadlines for sending and sufficient finished product. Good grip. But it's a little short to be satisfied. In short, I am pleased that Amazon reimburse ...