Today at the Consumer Electronics Show in Las Vegas, Nikon announced their newest lens: the AF-S Nikkor 180-400mm f/4E TC1.4 FL ED VR super-telephoto. But what makes it worth its $12,396.95 price tag? This new lens features Nikon's freshest technology: a built-in teleconverter. Like the Canon EF 200-400mm f/4 L, the Nikkor 180-400mm will be able to extend its focal range to a