Apple suggests holding it differently or shielding the lens with your hand
If you've ever seen a purple haze or spot on your iPhone images/videos, Apple has offered an explanation -- you're holding it wrong.
IPhone 5 users have complained that a purple haze or a purple spot has shown up on videos and still images from out-of-scene bright light sources. According to Apple, the cause is the position of the light source and can be fixed by simply holding the phone at a different angle.
Apple's explanation and solution for the Jimi Hendrix effect is as follows:
Most small cameras, including those in every generation of iPhone, may exhibit some form of flare at the edge of the frame when capturing an image with out-of-scene light sources. This can happen when a light source is positioned at an angle (usually just outside the field of view) so that it causes a reflection off the surfaces inside the camera module and onto the camera sensor. Moving the camera slightly to change the position at which the bright light is entering the lens, or shielding the lens with your hand, should minimize or eliminate the effect.
[Image Source: downwithapp.com]
Source: Apple
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