Orb

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Example of Rain (orbs) when picture taken

'Orb(s)' are a photography anomaly that some attribute to spirits noticed with Digital Cameras that describes unexpected, typically circular artifacts that occur in flash photography — sometimes with trails indicating motion — especially common with modern compact and ultra-compact digital cameras. They are also sometimes called backscatter, orb backscatter, or near-camera reflection.

Cause[edit]

The artifacts are especially common with compact or ultra-compact cameras, where the short distance between the lens and the built-in flash decreases the angle of light reflection to the lens, directly illuminating the aspect of the particles facing the lens and increasing the camera's ability to capture the light reflected off normally sub-visible particles.[1]

The orb artifact can result from reflection of light off solid particles (e.g., dust, pollen), liquid particles (water droplets, especially rain) or other foreign material within the camera lens.

The image artifacts usually appear as either white or semi-transparent circles, though may also occur with whole or partial color spectrums, purple fringing or other chromatic aberration. With rain droplets, an image may capture light passing through the droplet creating a small rainbow effect.

In underwater conditions, particles such as sand or small sea life close to the lens, invisible to the diver, reflect light from the flash causing the orb artifact in the image. A strobe flash, which distances the flash from the lens, eliminates the artifacts.

Below are two diagrams of a hypothetical underwater instance. In Diagram A, the faces of particles directly aligned with the camera's lens are illuminated by the flash, and thus the camera will more likely record orbs. In Diagram B, the faces of particles illuminated by the flash do not face the lens and therefore remain un-recorded. [2]

A hypothetical underwater instance with two conditions in which orbs are (A) likely or (B) unlikely, depending on whether the aspect of particles facing the lens are directly illuminated by the flash, as shown. Elements not shown to scale.

Example images[edit]

Examples of orb artifacts reflecting solid or liquid particles:

Paranormal interpretation[edit]

Consistent with pareidolia, Orb backscatter has been broadly interpreted as a highly variable range of supernatural paranormal phenomena without verifiability—including invisible spirits, Will-o'-the-wisp, auras, angels, ghosts, energy fields, psycho-energetic artifacts, energy balls, etc.[3][4][5][6][7]

See also[edit]

References[edit]

  1. http://www.ghostgadgets.com/_knowledge/orbs.html
  2. The Orb Project page 208 published 2007 by Simon and Schuster, ISBN 1582701822
  3. http://paranormal.about.com/od/ghosthuntinggeninfo/a/aa112706.htm}}
  4. http://www.timesonline.co.uk/tol/news/science/article4619391.ece
  5. http://www.assap.org/newsite/htmlfiles/Orb%20FAQ.html
  6. http://paranormal.about.com/od/ghostphotos/ig/Orbs-Debate-Photos/Antique-orb.htm
  7. The Orb Project page 208 published 2007 by Simon and Schuster, ISBN 1582701822

External links[edit]