Dolby has been working on getting the cost of its 3D glasses down since bringing Infinitec color shift technology to theaters back in '07 and it couldn't wait for CinemaCon 2011 next week before announcing the new models seen above. These should please theater operators by being cheaper than the old ones -- down to $12 or less per reusable pair from $17 last year and $27.50 the year before that -- and hopefully cinemagoers by being lighter, with a new multilayer optical film from 3M and redesigned frame to help block extraneous light. Ther
