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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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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
2686:
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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2898:Old Souls: The Scientific Evidence for Past Lives
2706:International Association for Near-Death Studies
430:"Flash reflections from floating dust particles"
253:In underwater scenes, particles such as sand or
234:
2767:International Institute for Psychical Research
380:
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98:or water. It is especially common with modern
2797:Society for the Study of Supernormal Pictures
2406:
766:
712:"Skeptoid #29: Orbs: The Ghost in the Camera"
320:. Prominent paranormal investigators such as
8:
2905:Parapsychology: Frontier Science of the Mind
2323:Conservation and restoration of photographs
133:claim. Some appear with trails, suggesting
2413:
2399:
2391:
2055: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
2782:National Laboratory of Psychical Research
2275:Photographs considered the most important
100:compact and ultra-compact digital cameras
2919:Twenty Cases Suggestive of Reincarnation
2681:American Society for Psychical Research
638:. Beyond Words Publishing. p. 23.
487:
485:
374:
424:
422:
420:
418:
562:Polarised Light in Science and Nature
7:
2952:
2696:Institut MĂ©tapsychique International
492:Grimm, Tom; Grimm, Michelle (1997).
2270:Museums devoted to one photographer
606:Wagner, Stephen (29 January 2017).
2757:British College of Psychic Science
1817:Timeline of photography technology
50:orb-shaped photographic artifacts.
25:
2926:Varieties of Anomalous Experience
2870: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
2951:
2940:
2939:
2373:
2363:
2362:
739:
303:Spirit photography § "Orbs"
70:resulting in typically circular
2374:
669:(2017). "Orbs as Plasma Life".
2787:Oxford Phasmatological Society
2777:Metropolitan Psychical Society
2731:Society for Psychical Research
2555:Parapsychology research at SRI
245:Dust particles reflected by a
1:
2856:Journal of Near-Death Studies
2716:Parapsychological Association
2565:Plant perception (paranormal)
1867:Painted photography backdrops
1799:Golden triangle (composition)
1074:35 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
2752:American Psychical Institute
2711:Koestler Parapsychology Unit
2701:Institute of Noetic Sciences
588:. Crowood; 31 January 2014.
385:Robinson, Edward M. (2016).
2490:Electronic voice phenomenon
1577:Intentional camera movement
3006:
2818:Skeptics of parapsychology
2772:London Dialectical Society
2691:College of Psychic Studies
2265:Most expensive photographs
1622:Multi-exposure HDR capture
300:
152:
2935:
2863:Journal of Parapsychology
2813:List of parapsychologists
2721:Parapsychology Foundation
2428:
2358:
194:solid particles, such as
2912:The Roots of Coincidence
2475:Dermo-optical perception
2199:Digital image processing
354:Rod (optical phenomenon)
129:, referring to a common
2842:Extrasensory Perception
2835:An Experiment with Time
2762:Cambridge Ghost Society
2495:Extrasensory perception
2445:Apparitional experience
2307:Photography periodicals
1872:Photography and the law
468:Learning. p. 310.
458:Baron, Cynthia (2008).
389:Crime Scene Photography
167:is used. Cases include
2990:Science of photography
2540:Out-of-body experience
2219:Gelatin silver process
1243:Science of photography
1228:Photographic processes
1206:Perspective distortion
582:Nick Robertson-Brown.
298:
250:
239:
173:underwater photography
150:
118:
64:near-camera reflection
51:
2745:Defunct organizations
2726:Rhine Research Center
2530:Near-death experience
1677:Schlieren photography
1216:Photographic printing
1139:Exposure compensation
748:at Wikimedia Commons
710:(February 24, 2007).
296:
244:
153:Further information:
148:
108:
78:being reflected from
33:
2674:Active organizations
2560:Past life regression
1461:Straight photography
1099:Chromatic aberration
565:. CRC Press; 2015.
220:chromatic aberration
2980:Digital photography
2510:Kirlian photography
2500:Ganzfeld experiment
2333:photographic plates
2013:Digital photography
1191:Hyperfocal distance
1104:Circle of confusion
746:Photographical orbs
542:. CRC Press; 1992.
344:Entoptic phenomenon
2470:Deathbed phenomena
1832:Autochrome Lumière
1827:Analog photography
1652:Pigeon photography
1441:Social documentary
920: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:
2967:
2966:
2585:Psychic detective
2545:Pam Reynolds case
2450:Astral projection
2388:
2387:
2184:Collodion process
2120:Chromogenic print
2107:Color photography
1617:Multiple exposure
1592:Lo-fi photography
1119: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
2997:
2955:
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2943:
2942:
2884:Life Before Life
2849:Irreducible Mind
2415:
2408:
2401:
2392:
2377:
2376:
2366:
2365:
2239:Print permanence
2189:Cross processing
2147:CMYK color model
2132:Color management
2085:Foveon X3 sensor
2080:Three-CCD camera
1724:Miniature faking
1682:Sabattier effect
1294:Astrophotography
1149: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
21:
18:Orb (paranormal)
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2877:Life After Life
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2630:Sensory leakage
2595:Psychic surgery
2590:Psychic reading
2520:Materialization
2480:Dream telepathy
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2244:Push processing
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2152:RGB color model
2101:
2007:
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1769:Diagonal method
1755:
1495:
1399:Photojournalism
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1094:Black-and-white
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1041:Slide projector
1036:Movie projector
915:available films
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635:The Orb Project
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359:Rolling shutter
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314:Michael Shermer
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188:retroreflection
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1557:Harris shutter
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62:(also called
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45:
41:
37:
32:
19:
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2896:
2891:Mental Radio
2889:
2882:
2875:
2868:
2861:
2854:
2847:
2840:
2833:
2827:Publications
2625:Second sight
2575:Precognition
2465:Clairvoyance
2345:Polaroid art
2234:K-14 process
2229:Instant film
2224:Gum printing
2179:C-41 process
2164:Photographic
2065:Image sensor
2060:Film scanner
1714:Sun printing
1647:Print toning
1434:space selfie
1404:Pictorialism
1334:Ethnographic
1314:Conservation
1186:Guide number
1181:Focal length
1088:
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
2665:Zener cards
2645:Telekinesis
2605:Pyrokinesis
2600:Psychometry
2570:Poltergeist
2350:Stereoscopy
2209:E-6 process
2204:Dye coupler
2137:color space
2050:Digiscoping
2043:camera back
1958:Philippines
1887:Visual arts
1877:Glass plate
1862:Heliography
1761:Composition
1736:Ultraviolet
1692:Stereoscopy
1687:Slow motion
1672:Scanography
1587:Kite aerial
1527:Contre-jour
1419:Post-mortem
1409:Pornography
1389:Neues Sehen
1324:Documentary
1258:Zone System
1233:Reciprocity
1159:Film format
1089:Backscatter
1067:Terminology
937: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
2985:Paranormal
2974:Categories
2660:Xenoglossy
2550:Paranormal
2525:Mediumship
2515:Levitation
2460:Bilocation
2340:Lomography
2166:processing
2115:Print film
2031:comparison
1998:Uzbekistan
1948:Luxembourg
1908:Bangladesh
1857:Dufaycolor
1837:Box camera
1794:Simplicity
1751:Zoom burst
1746:Xerography
1741:Vignetting
1731:Time-lapse
1719:Tilt–shift
1612:Mordançage
1602:Luminogram
1567:Holography
1562:High-speed
1542:Fill flash
1522:Burst mode
1500:Techniques
1481:Vernacular
1476:Underwater
1471:Toy camera
1451:Still life
1379:Monochrome
1369:High-speed
1319:Cloudscape
1309:Conceptual
1211:Photograph
1196:Lens flare
1176:Film speed
1058:Zone plate
1004:wide-angle
989: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
2650:Telepathy
2485:Ectoplasm
2285:Norwegian
2249:Stop bath
2194:Developer
1822:Ambrotype
1784:Lead room
1707:Slit-scan
1642:Photogram
1637:Panoramic
1547:Fireworks
1532:Cyanotype
1374:Landscape
1019:telephoto
967:reflector
962:monolight
957:lens hood
942: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
2946:Category
2369:Category
2070:CMOS APS
1968:Slovenia
1896:Regional
1842:Calotype
1779:Headroom
1657:Redscale
1572:Infrared
1517:Brenizer
1491:Wildlife
1414:Portrait
1359:Forensic
1349:Fine-art
1284:Aircraft
1274:Abstract
1154:F-number
1134:Exposure
1109:Clipping
1084:Aperture
952: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
2958:Commons
2580:Psychic
2431:Outline
2380:Outline
2316:Related
2003:Vietnam
1988:Ukraine
1923:Denmark
1903:Albania
1882:Tintype
1809:History
1774:Framing
1667:Rollout
1632:Panning
1582:Kirlian
1486:Wedding
1364:Glamour
1344:Fashion
1329:Eclipse
1299:Banquet
1221:Albumen
1031:Monopod
1009:fisheye
977:softbox
826:pinhole
816:instant
806:digital
651:27 June
617:27 June
466:Cengage
115:reflect
94:in the
46:causes
2806:People
2505:Ghosts
2438:Topics
2378:
2367:
2295:street
2290:Polish
1983:Turkey
1978:Taiwan
1963:Serbia
1953:Norway
1928:Greece
1913:Canada
1507:Afocal
1466:Street
1446:Sports
1429:Selfie
1384:Nature
1339:Erotic
1304:Candid
1279:Aerial
1267:Genres
1169:medium
1046:Tripod
1014:swivel
927:Filter
905:holder
900:format
796:Camera
693:
642:
592:
569:
546:
510:
472:
405:
249:flash.
200:pollen
135:motion
2455:Auras
2300:women
2258:Lists
2214:Fixer
2097:Pixel
2026:D-SLR
1973:Sudan
1943:Korea
1938:Japan
1933:India
1918:China
1702:Strip
1627:Night
1607:Macro
1512:Bokeh
1456:Stock
1424:Ruins
1164:large
994:prime
972:snoot
932:Flash
910:stock
885:Drone
846:still
831:press
821:phone
811:field
500:Plume
334:Bokeh
307:Some
165:flash
141:Cause
76:flash
40:flash
2328:film
2038:MILC
1537:ETTR
1394:Nude
1354:Fire
1253:Sync
1051:head
999:zoom
984:Lens
947:gobo
895:base
890: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
2535:Orb
2075:CCD
856:toy
851:TLR
841:SLR
399:558
206:or
198:or
186:or
96:air
54:In
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377:^
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58:,
2414:e
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2400:v
774:e
767:t
760:v
727:.
655:.
621:.
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411:.
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