Another element of randomness that you can introduce to your portraits is the way that you light them. There are almost unlimited possibilities when it comes to using light in portraits. Side-lighting can create mood, backlighting and silhouetting your subject to hide their features can be powerful. Unobtrusive candids seek to be fly-on-the-wall images that catch people going about their business seemingly unaware of the camera and the photographer. This yields images that are more toward the objective end of the objective/subjective continuum, though there is not, of course, any photograph made by a human that is completely objective. Candids with consent, made when the photographer is actively engaged with the subject and the subject is conscious of this involvement, are very different. Photographs are records of the photographer's relationship with his or her subject. In consensual candids, the relationship can be either obvious (the subject looks directly into the camera)...