Q: What is going on? A: If you want to make a close-up photo with your iPhone, you can modify your built-in camera to do the trick. Q: Why should I? A: As many iPhone owners are aware, the iPhone and iPhone 3G are focused at near infinity for versatility. If you like to take more close-up images, and would like the ability to actually read QRcode and Datamatrix barcodes directly from the phone at their usual size from magazines and equipment. Q: What is the trick behind this mod? A: Both iPhone models have the same style generic mobile phone camera module with a screw style focus adjustment which has been glued at infinity in the factory. Once you break this glue, you can turn the lens counterclockwise to bring the focus closer. The inventor claims to have no problems focusing to as close as a quarter inch from the subject, although this is impractical as the iPhone shadows the subject heavily with its size.
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