"So what influences the choices a professional would make? Well first and foremost for me, reliability with no surprises. Shooting on assignment, no matter where it might be and what it involves, is difficult enough without having to worry about your gear. Whether in the studio surrounded by clients, in a war zone, halfway up a mountain or just strolling through the park looking for pictures, all a professional photographers energies and concentration need to be focused on creating images that fulfil the brief and mean they get to make a living. "