'Orbs': More Misinterpreted Artefacts of Photo Equipment© Rae West 2015
Two types of 'Orb':
[1] Effects of intense light source, usually the sun, reflecting inside the camera lens. (See picture). Many people I suppose don't know that camera lenses are complicated, including internal lenses; some of plastic, some, for moving pictures, with image stabilisation. It would seem obvious enough from the way the image moves that they are connected with the sun's position. The shape may be affected by the iris, the device which varies the amount of light allowed through. Some video editors have this effect as something that can be added to your video.
[2] Out of focus light source (not illustrated), where for example automatic focussing hasn't time to work, or is viewing though a window or some atmospheric condition which prevents focussing.
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