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Originally posted by lavenlaar
the double image of your son is the refraction of the rear vision mirror. You know when you flick it at night to dim the headlights behind you. The lens of the phone/camera was at the middle point where double image appears. As for the larger 'smudge', could be on the mirror that is refracted (like inside). try again with with same near angle. may be replicated.
A prismatic rear-view mirror — sometimes called a "day/night mirror" — can be tilted to reduce the brightness and glare of lights, mostly for headlights shining directly on the eye level at night. This type of mirror is made of a piece of glass that is wedge-shaped in cross section—its front and rear surfaces are not parallel.
On manual tilt versions, a tab is used to adjust the mirror between "day" and "night" positions. In the day view position, the front surface is tilted and the reflective back side gives a strong reflection. When the mirror is moved to the night view position, its reflectorized rear surface is tilted out of line with the driver's view. This view is actually a reflection off the non-reflectorized front surface. Since the non-reflectorized front surface allows most of the light to go through, only a small amount of light is reflected into the driver's eyes.
Originally posted by FORMe2p00p0n
Well at least both of them seem to be having a great time.... what ever it is
If you stand in front of a normal window in your house at night (inside the house, with the indoor lights ON), you will be able to see your reflection in the glass quite clearly. A car's mirror takes advantage of the same effect.
The mirror is not ground flat -- the front glass surface is at an angle to the back (mirrored) surface. So if you looked at this mirror out of its casing, it would be wedge-shaped with the thicker edge at the top. When you "flip" the mirror, the back mirrored surface actually points toward the dark ceiling, so you don't see that image. What you see instead is the image reflecting off the front of the glass, and this is much dimmer that the pure reflected image so it does not hurt your eyes.
To prove that this is what is happening, take a flashlight with you one night and play with your mirror (while the car is parked in your garage, preferably). Flip the mirror and shine the light at the ceiling (or sometimes the floor) and the fully reflected image will overwhelm the front-surface reflection so you can see the ceiling.
Originally posted by Xaphan
reply to post by miniatus
I think I'll have to agree with this. The image isn't edited, but it just looks like some kind of smudgy distortion. I see things like this in photos all the time. Do realize that you will see something if you want to see something. You'll just end up convincing yourself that it's significant.
reply to post by Qspeedyrock
Does any one else see the large eye through the back window.