Filming an interview

When filming my documentary I made sure I followed these rules to make my interview look good:

Camera must always be on the person your interviewing, however make sure they are not looking at the camera; that they are looking at the interviewer.

All the power is down to the interviewer

The interview has to feel relaxed

Make sure questions are relevant to the subject

Makes sure interviewer looks cosy/relaxed 

Interviews can get emotional; to the point where the interviewer might leave

Any good interviewer has to build