In time (or long) exposure photography, an object that is only partially recorded on the film and therefore has a translucent, ghost-like appearance. Ghosting also occurs when using electronic flash a [..]

an apparition usually only seen by one person at a time of a body like form. They are often seen in time of emotional crisis. See veridical hallucination.

This position memory function integrated into the software makes it possible to see a previously photographed product in transparency, and thus to place the following one in the same position. Up to 2 [..]

In optics, a faint second image caused by reflections within an optical component. In paranormal investigation, a picture of a ghost, spectre, or phantom.