If you are thinking about which is more accurate mirror or camera, both have the potential to portray you differently in a different setting. A mirror shows a reversed image; a camera captures your face at a certain angle and distance, Visuals Clipping reports. Facial proportions can also be affected by the type of lens, light source and camera position. However, photographs can sometimes be unusual, even when they are a realistic picture of how people see themselves because it is what they are more familiar with.