A reflection on glass is another way a transparent face or figure may be produced Figure 4. Most likely foreign object on camera lens or sensor i. The first practical photography, introduced in , used the daguerreotype process. Finally, the subject placement in relation to the entire field of view of the photo is one of the biggest indicators that this is not a real picture of something unseen, as it is in many hoax pictures Smartphone applications that place images of ghosts, aliens and monsters into actual pictures have been used for pranks or to try to fool people into thinking they are real images of ghosts.
nest...