iPhone 5 and the purple haze: Apple releases a technical note

October 08th, 2012 - 12:20 pm ET by C. D.

While not seeing this as an issue, Apple has demonstrated in a technical note how to reduce the halo that at times appears on pictures taken with background lighting.

Like with the release of each iPhone, the smallest functions on the smartphone are viewed and reviewed to make sure that they behave in the way that Apple wishes without any problems. Apple has until now avoided the worst (a costly device recall), even in the most extreme cases like the iPhone 4’s Antennagate.

For the other discovered problems (erratic Wi-Fi, battery life issues), software patches were quite quickly released.  There were a few special cases, like the heating up of the new iPad, which disappeared almost as quickly as it affected only a limited number of devices.

The iPhone 5 isn’t exempt from such issues, although some may not be classified as a default for the device. Users have noted that the digital camera on the new smartphone at times has a strange behaviour.

When taking photos with an intense light source, the pictures have a large purple coloured halo present. The effect is a lot more noticeable than on the iPhone 4S, which handled this issue better in the same conditions.


Knowing how to handle your iPhone is an art

iPhone 5 Purple Haze. While not recognizing that this was a fault of their device, Apple has nevertheless released a technical note showing users how to limit this "purple haze". The company states that this is frequent behaviour on the small lenses present on mobile phones like the iPhone, with this appearing when an intense lighting source can be seen around the edges of the subject which creates reflections on the lens.

As is often the case with Apple, the solution is simple: slightly change the angle between the light source and the iPhone 5’s camera lens to reduce or remove the violet halo. After having to hold the iPhone correctly so that the cellular signal wasn’t lost, now we have the iPhone 5 which has to be used in a specific way to take good photos.

This seems to suggest that Apple doesn’t have a solution to prevent this halo from appearing on photos, or at least not a software solution. It is possible to remove this halo at a later date with picture editing software, but they will have to work this out – that is if they are even interested in doing so.

Pictures courtesy of Business Insider

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