He does what he should. All controls work wonderfully and pleasant. Deduction there, as he did not bomb stuck in festgeschraubtem state but unobtrusive game has. The slide-in compartment of the battery grip is unstable but always slips slightly out everything and then back inside (about 2-3mm play what you feel, however). Furthermore slackens the rotary knob to fix the battery drawer and not left alone in the retracted position.
Conclusion: Functional properly, processing rather bad!
