Two years ago, Samsung came to Photokina with just a couple of new lenses and little in the way of incentive for pro photographers to take its NX cameras seriously. Hoping to correct this history of neglect for the top tier of photography, Samsung today launches a new flagship NX1 Smart Camera — which does its best impersonation of a pro DSLR in a more compact size — alongside a high-end 50-150mm f/2.8 lens. Together will the newly introduced 50-150mm f/2.8 lens — which has multi-axis optical image stabilization — the NX1 could indeed prove to be a competent shooter for the challenging tasks of sports and action photography. The big new lens costs $1,599 all by its lonesome and weighs nearly a kilogram. Looking and acting more like a DSLR