There are three different add-on lenses to choose from: wide angle, telephoto and fish-eye lenses for iPhone4 GS or iPad. The macro and wide angle lens for iphoneoffers a focus between 10-23mm from your subject with a wide angle of 0.67x wide. The Fish-eye lens offers a 180 degree angle (0.28x). The two lenses, range between 15.8-25mm diameter x 6.5-15mm length and come with back and front lens covers to prevent scratching of glass when they aren't attached to your phone. The lenses can be used on just about any device with appropriately-sized webcams and cameras. It takes second to install. No hardware customizing needed. A self-adhesive ring with a magnet must first be affixed to the area around the camera lens. After that, it's a simple matter of bringing the add-on lens in contact with the magnet.
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