Se7en

Conventions of a film opening,
Codes used to cones this convention (e.g. technical, symbolic, written)

The hook:
Tells us exactly what the films about
Brad Pitt and Morgan Freeman - people could like watching films with these characters in.

Set the scene:
Urban, night time and daytime, big buildings. Camera technique shows the area exactly where the film/scene is set.

Introduce characters:
Well known characters
Brad Pitt - first name in the credits
Morgan Freeman - straight away in the film and second in the credits.

Introduce the genre:
Crime and thriller because of all the props used within the opening credits.

Credits:
Colour makes the feel seem like it's going to be morbid and bad things could happen throughout the whole film.

Narrative:
Investigation.