There is a need to be watchful and perhaps to preserve an image. Tribal cultures believed that the camera captured the soul or essential being, and may have this significance in dreams.
The camcorder with its greater technological abilities has a similar meaning.
Psychological / emotional perspective: There is a necessity to retain a mental picture of what is important to us.
A broken camera or camcorder immediately suggests a faulty memory or distorted perception.
Material aspects: To be using a camera or camcorder in a dream means that we should record events or occasions in such a way that they are preserved, perhaps for posterity or as evidence. Being filmed indicates that we need to look more carefully at our actions and reactions to certain situations.