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when you take pictures with your camera. When you use the flash, the light from the flash reflects off the dust particles and is sometimes captured in your shot. Of course, dust particles very close to the camera are blurred since they are not in focus, but because they reflect the light more strongly than the more distant main subject of the shot, that reflected light can sometimes be captured by the camera and recorded on the resulting image as round white spots. So these dots are the blurred images of dust particles.
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There is always a certain amount of dust floating around in the air. You may have noticed this at the movies when you look up at the light coming from the movie projector and notice the bright sparks floating around in the beam. In the same way, there are always dust particles floating around nearby
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An additional problem called backscatter occurs when flash light striking these suspended particles reflects back to the camera lens and records on the film as fuzzy white spots. Of course, backscatter can also be reduced by getting the camera as close to your subjects as possible, because the
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have claimed that orb shaped visual artifacts appearing in photographs are spirits of the dead. Others have claimed that orbs are an unknown sort of being, based partly on perceived intent in the orbs' movements. Such perceptions have been interpreted by
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near 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. The effect is also seen on
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particles very close to the lens. The artifacts are especially common with compact or ultra-compact cameras, where the short distance between the lens and the built-in flash decreases
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A hypothetical underwater instance with two conditions in which circular photographic artifacts are likely (A) and unlikely (B), depending on whether the aspect of
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illuminating the aspect of the particles facing the lens and increasing the camera's ability to capture the light reflected from normally subvisible particles.
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175:, when a bright light source and reflective unfocused particles are near the camera. Light appears much brighter very near the source due to the
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have agreed with skeptic-debunkers' assessments that orbs result from natural phenomena like insects, dust, pollen, or water droplets.
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210:. They can also be caused by foreign material within the camera lens. The image artifacts usually appear as either white or semi-
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222:. With rain droplets, an image may capture light passing through the droplet creating a small
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shorter that distance, the fewer the number of floating particles in front of the lens.
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of light by unfocused particles, these artifacts are also sometimes called
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circles, though may also occur with whole or partial color spectra,
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A single orb in the center of the photo, at the person's knee level
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Backscatter commonly occurs in low-light scenes when the camera's
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Adobe
Photoshop Forensics: Sleuths, Truths, and Fauxtography
2681:
Association for the
Scientific Study of Anomalous Phenomena
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describes the artifacts as a common photographic problem:
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Circular unfocused visual artifacts caused by raindrops.
608:"Why Orbs in Pictures Are Not Proof of the Paranormal"
117:
the flash, as shown. Elements are not shown to scale.
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2893:Old Souls: The Scientific Evidence for Past Lives
2701:International Association for Near-Death Studies
430:"Flash reflections from floating dust particles"
253:In underwater scenes, particles such as sand or
234:
2762:International Institute for Psychical Research
380:
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98:or water. It is especially common with modern
2792:Society for the Study of Supernormal Pictures
2401:
766:
712:"Skeptoid #29: Orbs: The Ghost in the Camera"
320:. Prominent paranormal investigators such as
8:
2900:Parapsychology: Frontier Science of the Mind
2318:Conservation and restoration of photographs
133:claim. Some appear with trails, suggesting
2408:
2394:
2386:
2045:Comparison of digital and film photography
773:
759:
751:
632:Heinemann, Klaus; Ledwith, Miceal (2007).
585:Underwater Photography: Art and Techniques
539:Basic Lighting Worktext for Film and Video
265:video cameras, where superbright infrared
2777:National Laboratory of Psychical Research
2270:Photographs considered the most important
100:compact and ultra-compact digital cameras
2914:Twenty Cases Suggestive of Reincarnation
2676:American Society for Psychical Research
638:. Beyond Words Publishing. p. 23.
487:
485:
374:
424:
422:
420:
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562:Polarised Light in Science and Nature
7:
2947:
2691:Institut MĂ©tapsychique International
492:Grimm, Tom; Grimm, Michelle (1997).
2265:Museums devoted to one photographer
606:Wagner, Stephen (29 January 2017).
2752:British College of Psychic Science
1807:Timeline of photography technology
50:orb-shaped photographic artifacts.
25:
2921:Varieties of Anomalous Experience
2865:Journal of Scientific Exploration
202:, or liquid droplets, especially
182:The artifact can result from the
74:on an image, due to the camera's
27:Optical phenomenon in photography
2946:
2935:
2934:
2368:
2358:
2357:
739:
303:Spirit photography § "Orbs"
70:resulting in typically circular
2369:
669:(2017). "Orbs as Plasma Life".
2782:Oxford Phasmatological Society
2772:Metropolitan Psychical Society
2726:Society for Psychical Research
2550:Parapsychology research at SRI
245:Dust particles reflected by a
1:
2851:Journal of Near-Death Studies
2711:Parapsychological Association
2560:Plant perception (paranormal)
1857:Painted photography backdrops
1789:Golden triangle (composition)
1069:35 mm equivalent focal length
504:Pennsylvania State University
495:The Basic Book of Photography
155:Light scattering by particles
113:facing the lens are directly
2747:American Psychical Institute
2706:Koestler Parapsychology Unit
2696:Institute of Noetic Sciences
588:. Crowood; 31 January 2014.
385:Robinson, Edward M. (2016).
2485:Electronic voice phenomenon
1567:Intentional camera movement
3001:
2813:Skeptics of parapsychology
2767:London Dialectical Society
2686:College of Psychic Studies
2260:Most expensive photographs
1612:Multi-exposure HDR capture
300:
152:
2930:
2858:Journal of Parapsychology
2808:List of parapsychologists
2716:Parapsychology Foundation
2423:
2353:
194:solid particles, such as
2907:The Roots of Coincidence
2470:Dermo-optical perception
2194:Digital image processing
354:Rod (optical phenomenon)
129:, referring to a common
2837:Extrasensory Perception
2830:An Experiment with Time
2757:Cambridge Ghost Society
2490:Extrasensory perception
2440:Apparitional experience
2302:Photography periodicals
1862:Photography and the law
468:Learning. p. 310.
458:Baron, Cynthia (2008).
389:Crime Scene Photography
167:is used. Cases include
2985:Science of photography
2535:Out-of-body experience
2214:Gelatin silver process
1238:Science of photography
1223:Photographic processes
1201:Perspective distortion
582:Nick Robertson-Brown.
298:
250:
239:
173:underwater photography
150:
118:
64:near-camera reflection
51:
2740:Defunct organizations
2721:Rhine Research Center
2525:Near-death experience
1667:Schlieren photography
1211:Photographic printing
1134:Exposure compensation
748:at Wikimedia Commons
710:(February 24, 2007).
296:
244:
153:Further information:
148:
108:
78:being reflected from
33:
2669:Active organizations
2555:Past life regression
1456:Straight photography
1094:Chromatic aberration
565:. CRC Press; 2015.
220:chromatic aberration
2975:Digital photography
2505:Kirlian photography
2495:Ganzfeld experiment
2328:photographic plates
2003:Digital photography
1186:Hyperfocal distance
1099:Circle of confusion
746:Photographical orbs
542:. CRC Press; 1992.
344:Entoptic phenomenon
2465:Deathbed phenomena
1822:Autochrome Lumière
1817:Analog photography
1642:Pigeon photography
1436:Social documentary
915:discontinued films
672:Skeptical Inquirer
536:Richard Ferncase.
299:
251:
190:of the light from
177:inverse-square law
159:Defocus aberration
151:
119:
68:optical phenomenon
52:
18:Orb (photographic)
2962:
2961:
2580:Psychic detective
2540:Pam Reynolds case
2445:Astral projection
2383:
2382:
2174:Collodion process
2110:Chromogenic print
2097:Color photography
1607:Multiple exposure
1582:Lo-fi photography
1114:Color temperature
744:Media related to
667:Radford, Benjamin
594:978-1-84797-658-1
571:978-1-4200-3368-7
548:978-1-136-04418-2
475:978-1-59863-643-7
408:978-0-12-802768-4
289:Paranormal claims
281:toward the lens,
16:(Redirected from
2992:
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2938:
2937:
2879:Life Before Life
2844:Irreducible Mind
2410:
2403:
2396:
2387:
2372:
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2361:
2360:
2234:Print permanence
2179:Cross processing
2137:CMYK color model
2122:Color management
2075:Foveon X3 sensor
2070:Three-CCD camera
1714:Miniature faking
1672:Sabattier effect
1289:Astrophotography
1144:Zebra patterning
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440:on July 27, 2005
436:. Archived from
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364:Will-o'-the-wisp
339:Digital artifact
38:of the camera's
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2872:Life After Life
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2625:Sensory leakage
2590:Psychic surgery
2585:Psychic reading
2515:Materialization
2475:Dream telepathy
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2239:Push processing
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2142:RGB color model
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1997:
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1759:Diagonal method
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1394:Photojournalism
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1089:Black-and-white
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1036:Slide projector
1031:Movie projector
910:available films
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359:Rolling shutter
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314:Michael Shermer
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216:purple fringing
188:retroreflection
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2011:Digital camera
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1547:Harris shutter
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1542:Hand-colouring
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1233:Red-eye effect
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62:(also called
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49:
45:
41:
37:
32:
19:
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2898:
2891:
2886:Mental Radio
2884:
2877:
2870:
2863:
2856:
2849:
2842:
2835:
2828:
2822:Publications
2620:Second sight
2570:Precognition
2460:Clairvoyance
2340:Polaroid art
2229:K-14 process
2224:Instant film
2219:Gum printing
2169:C-41 process
2154:Photographic
2055:Image sensor
2050:Film scanner
1704:Sun printing
1637:Print toning
1429:space selfie
1399:Pictorialism
1329:Ethnographic
1309:Conservation
1181:Guide number
1176:Focal length
1083:
738:
721:. Retrieved
715:
702:
689:Joe Nickell.
685:
676:
670:
661:
649:. Retrieved
634:
627:
615:. Retrieved
611:
601:
583:
578:
560:
555:
537:
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523:
517:. Retrieved
494:
460:
453:
442:. Retrieved
438:the original
388:
306:
282:
252:
235:
228:
181:
162:
126:
120:
63:
59:
53:
42:by motes of
2660:Zener cards
2640:Telekinesis
2600:Pyrokinesis
2595:Psychometry
2565:Poltergeist
2345:Stereoscopy
2204:E-6 process
2199:Dye coupler
2127:color space
2040:Digiscoping
2033:camera back
1948:Philippines
1877:Visual arts
1867:Glass plate
1852:Heliography
1751:Composition
1726:Ultraviolet
1682:Stereoscopy
1677:Slow motion
1662:Scanography
1577:Kite aerial
1522:Contre-jour
1414:Post-mortem
1404:Pornography
1384:Neues Sehen
1319:Documentary
1253:Zone System
1228:Reciprocity
1154:Film format
1084:Backscatter
1062:Terminology
932:beauty dish
836:rangefinder
801:light-field
782:Photography
679:(5): 28–29.
322:Joe Nickell
271:microscopic
269:illuminate
258:marine life
212:transparent
184:backscatter
123:backscatter
90:, or other
60:backscatter
56:photography
36:backscatter
2980:Paranormal
2969:Categories
2655:Xenoglossy
2545:Paranormal
2520:Mediumship
2510:Levitation
2455:Bilocation
2335:Lomography
2156:processing
2105:Print film
2021:comparison
1988:Uzbekistan
1938:Luxembourg
1898:Bangladesh
1847:Dufaycolor
1827:Box camera
1784:Simplicity
1741:Zoom burst
1736:Xerography
1731:Vignetting
1721:Time-lapse
1709:Tilt–shift
1602:Mordançage
1592:Luminogram
1557:Holography
1552:High-speed
1532:Fill flash
1517:Burst mode
1495:Techniques
1476:Vernacular
1471:Underwater
1466:Toy camera
1446:Still life
1374:Monochrome
1364:High-speed
1314:Cloudscape
1304:Conceptual
1206:Photograph
1191:Lens flare
1171:Film speed
1053:Zone plate
999:wide-angle
984:long-focus
519:2017-06-19
444:2017-06-19
397:. p.
370:References
349:Lens flare
318:agenticity
279:reflection
255:planktonic
247:smartphone
131:paranormal
2645:Telepathy
2480:Ectoplasm
2280:Norwegian
2244:Stop bath
2189:Developer
2184:Cyanotype
1812:Ambrotype
1774:Lead room
1697:Slit-scan
1632:Photogram
1627:Panoramic
1537:Fireworks
1369:Landscape
1014:telephoto
962:reflector
957:monolight
952:lens hood
937:cucoloris
878:safelight
789:Equipment
697:. p. 159.
612:ThoughtCo
596:. p. 105.
277:of light
275:the angle
218:or other
169:nighttime
111:particles
92:particles
82:motes of
80:unfocused
72:artifacts
48:unfocused
2941:Category
2364:Category
2060:CMOS APS
1958:Slovenia
1886:Regional
1832:Calotype
1769:Headroom
1647:Redscale
1562:Infrared
1512:Brenizer
1486:Wildlife
1409:Portrait
1354:Forensic
1344:Fine-art
1279:Aircraft
1269:Abstract
1149:F-number
1129:Exposure
1104:Clipping
1079:Aperture
947:hot shoe
873:enlarger
868:Darkroom
723:June 15,
717:Skeptoid
573:. p. 81.
550:. p. 66.
434:Fujifilm
328:See also
283:directly
263:infrared
230:Fujifilm
192:airborne
88:droplets
86:, water
66:) is an
2953:Commons
2575:Psychic
2426:Outline
2375:Outline
2311:Related
1993:Vietnam
1978:Ukraine
1913:Denmark
1893:Albania
1872:Tintype
1799:History
1764:Framing
1657:Rollout
1622:Panning
1572:Kirlian
1481:Wedding
1359:Glamour
1339:Fashion
1324:Eclipse
1294:Banquet
1216:Albumen
1026:Monopod
1004:fisheye
972:softbox
826:pinhole
816:instant
806:digital
651:27 June
617:27 June
466:Cengage
115:reflect
94:in the
46:causes
2801:People
2500:Ghosts
2433:Topics
2373:
2362:
2290:street
2285:Polish
1973:Turkey
1968:Taiwan
1953:Serbia
1943:Norway
1918:Greece
1903:Canada
1502:Afocal
1461:Street
1441:Sports
1424:Selfie
1379:Nature
1334:Erotic
1299:Candid
1274:Aerial
1262:Genres
1164:medium
1041:Tripod
1009:swivel
922:Filter
900:holder
895:format
796:Camera
693:
642:
592:
569:
546:
510:
472:
405:
249:flash.
200:pollen
135:motion
2450:Auras
2295:women
2253:Lists
2209:Fixer
2087:Pixel
2016:D-SLR
1963:Sudan
1933:Korea
1928:Japan
1923:India
1908:China
1692:Strip
1617:Night
1597:Macro
1507:Bokeh
1451:Stock
1419:Ruins
1159:large
989:prime
967:snoot
927:Flash
905:stock
846:still
831:press
821:phone
811:field
500:Plume
334:Bokeh
307:Some
165:flash
141:Cause
76:flash
40:flash
2323:film
2028:MILC
1527:ETTR
1389:Nude
1349:Fire
1248:Sync
1046:head
994:zoom
979:Lens
942:gobo
890:base
885:Film
861:view
725:2017
691:ISBN
653:2017
640:ISBN
619:2017
590:ISBN
567:ISBN
544:ISBN
508:ISBN
470:ISBN
403:ISBN
267:LEDs
208:mist
204:rain
196:dust
171:and
157:and
127:orbs
84:dust
44:dust
34:The
2530:Orb
2065:CCD
856:toy
851:TLR
841:SLR
399:558
206:or
198:or
186:or
96:air
54:In
2971::
714:.
677:41
675:.
610:.
522:.
498:.
484:^
464:.
432:.
417:^
401:.
393:.
377:^
226:.
137:.
102:.
58:,
2409:e
2402:t
2395:v
774:e
767:t
760:v
727:.
655:.
621:.
478:.
447:.
411:.
20:)
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