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Originally posted by Blazer
So I'm guessing that the "big" orbs are just dust particles that are out of focus, due to the camera focusing on something more distant.
(Click here)
Diagram 1 is a representation of how dust in front of the camera lens appears orb-like when a flash is used. "B" represents how light travels through the camera lens and "A" represents the focal point of the lens, or the point objects need to be past in order to be in focus. As you can see, there are dust particles closer to the lens than point A; therefore the dust will appear out-of-focus, as seen in Diagram 2. When the flash fires (Diagram 1), light is reflected off the dust, back into the camera lens, causing the dust to be illuminated. Because of the angle of the flash and the camera lens, the closer the flash is to the lens, the more prone it will be to dust orbs. The same applies for using nightshot video cameras, the IR light reflects off the out-of-focus dust, causing them to look like "orbs" or plasmoids.
I want to emphasize the fact that orb-causing dust is floating in the air in front of the camera lens, and is not actually on the lens itself. It seems that many people think that wiping their lens clean before each photo session will solve the dust-orb problem, but this is entirely false. The truth is the dust is in the air, floating close to the camera lens (within about 6 inches normally), and there is no way to solve the problem through lens or site cleaning.
Originally posted by Alxandro
Still, it would interesting to know if there are any pictures of these "orbs" taken before the era of digital camera.
A good nice kodak moment showing a big fat juicy orb would convince me otherwise.
Originally posted by Alxandro
reply to post by plutoxgirl
Is there any way you might be able to post your pics?
Since you happen to be the common denominator in these images you've mentioned, were you going through anything traumatic during that time?