Orbs: The Ghost in the Camera

Are orbs really ghosts, or a common artifact of photography?

Brian DunningBy Brian Dunning via skeptoid
Read transcript below or listen here

Next time you pick up a camera, watch out. You’re holding in your hand the very device responsible for tens of thousands of the most bizarre and unexplainable type of ghost photographs: Orbs.

OLYMPUS DIGITAL CAMERAOrbs, formally called Spirit Orbs, are those semi-transparent white balls seen floating around in many photographs taken in ghostly locations. Orbs are among the class of paranormal phenomena that are visible only to cameras, and not to the naked eye.

The usual hypothesis presented by believers is that orbs represent spirits of dead people, though some support variations on that. The science behind this hypothesis is not clear. For example, there are no plausible hypotheses that describe the mechanism by which a person who dies will become a hovering ball of light that appears on film but is invisible to the eye. There are lots of other things that a dead person might become, presumably; and the only reason believers have chosen orbs seems to be that orbs are the most common unexpected objects seen in photographs. If there was any good science behind this, there would at least be some plausible proposals for what the orb might consist of, how and why it is generated by a dead body, why it floats in the air; and also some good predictions about who will become an orb after they die, what size and color that orb would be, and where and when it can be found. orbsI welcome any hypotheses that would explain how orbs could be a real phenomenon, but I haven’t been able to find any. The only evidence is anecdotal reports and, of course, the obligatory photographs, found on the Internet by the thousand.

Orbs most often appear on camera when a piece of airborne dust, an insect, or a water droplet is close to the camera, outside of the depth of field, and the flash source is no more than a few degrees away from the axis of the camera lens. This causes the object to be brightly light but way out of focus, resulting in a semi-transparent whitish circle. If the flash or other light source is significantly off of the axis of the lens, you won’t get nearly as much light reflected right straight back to the camera. If the object is within the depth of field it will be in focus and generally very small, and probably not noticeable. If the object is not very close to the camera, again it won’t pick up enough light from the flash.

I’m often challenged by believers that if orb photos are so easy to take, why don’t I do it then? I don’t because many people have already done so. If you want great step-by-step instructions for taking an orb photo, go to assap.org and click on Paranormal Photos. You will get all the examples, instructions, and explanations that you could ask for.

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