[Narrator] And if there was a 3D showing in the theatre before a standard 2D showing a lens meant only for 3D movies may still be on the projector making the image two thirds darker than it should be.
如果在放映标准 2D 电影前放映了一场3D电影,那么放映机里可能还留有 3D 电影特有镜头,这会使得画面比标准暗三分二。
Well, not many, although two-thirds of the people who thought they were early stopped to help, fewer than half of those who are told they were just on time did so.