If you need to strap a camera to you or get in a small space, then it makes sense to use digital.I do think it is possible to use a digital camera artistically, but it can only be good if you are using film technique. Film has grain, and digital has pixels, and there is not that much of a difference, but digital does not replace the need to create a scene and light it properly and spend time considering the shot.

Jack [Nicholson] really knows about the camera. He's one of the directors who likes to play with the camera. He'll change things around, play with lighting, things like that. He'll even spend hours on the set-up for an insert shot. He's an interested person who gets involved in all the aspects of the films he is making.

When you are shooting a movie, you have to collaborate with many, many, many people. First of all, the director with all his own ideas and I can only just help him with that. I cannot change his idea.

Technology has a great deal to do with it. The Panaflex camera was a big breakthrough when it came along; it changed everything, because now you could shoot from the perspective of a person riding in the backseat of a car.

You always like to be the collaborator. I don't want to take over the movie, because if I want to do that, I should really become a director because then you have the control of everything, basically. I'm very happy to just be the visual part of it, doing the visual part of the movie.

In Slumdog Millionaire when you are immersed in the point of view of children in the slum and the bustle of the city, the handheld camerawork is amazing. A handheld camera is perfect for establishing point-of-view and for instilling the feeling that you are there.

I always try to tell the story the best possible way. I create the mood for each scene in a way that the audience feels that they are right there with me and they feel actually in the mood that was right for the scene.