Shot/ reverse shot- Tom Corbett

The shot/ reverse shot technique is used mainly in two-person conversations. The conversation is (in most film productions) filmed from two sides. The two perspectives are then edited together to show the reaction of one character to (for example) news that affects them. One character is seen to be looking at the other (the 180 degree rule applies here), and then the camera switches to the other perspective. The camera also may have a closer view of one character's face to see their reaction.


An example.


http://en.wikipedia.org/wiki/Shot_reverse_shot- the link to Wikipedia