Well, we have to hand it to Canon -- this was one tight-lipped product launch. The imaging company just unveiled its C300 cinema camera at Hollywood's Paramount Studios, in front of a crowd of hundreds of journalists and film industry elite, including Martin Scorsese. Canon is no stranger to the professional photography community, but it has yet to make a name for itself in Hollywood, where cameras such as the Arri Alexa and RED EPIC dominate the digital filmmaking world. The C300 may not appear to be overwhelmingly pow