Apple's new patent, the iPhone will be equipped with a dual lens?

A few days ago, Apple applied for a patent called "Small-size telephoto camera", which attempts to integrate two cameras into mobile devices. Some analysts said that the future iPhone will use "dual cameras."

In other words, Apple plans to add a small-sized telephoto lens to the portable device to match the wide-angle lens currently used in iPhones. Although limited by factors such as imaging technology, the quality of the picture taken by the dual lens is indeed better than that of the single lens system using optical zoom technology.

According to the patent document, the telephoto lens is only 6 mm or shorter in length, the focal length is about 7 mm, and the telephoto ratio is between 0.74 and 1.0. Usually the TTL/f value is less than or equal to 1.0 to be considered a telephoto lens system. In some specific cases, the telephoto lens may also be equipped with a variable aperture or aperture stop that allows the focal ratio (aperture focal length ratio) to be between 2.4-10.0.

In practice, Apple's new system uses traditional digital cameras to build telephoto functions. Light enters through the aperture or other correction filter and forms a picture on the image plane near the image photoreceptor.

Apple phone camera

According to the patent, the telephoto lens group has multiple lens components, such as lens components made of plastic, glass or other transparent materials. The telephoto lens of this conventional camera is designed in the same way. The patent also states that in the future, small-size telephoto lenses may be used in conjunction with normal or wide-angle camera integration. Due to current technical limitations, the use of dual lenses can result in higher quality images than single lens systems.

The patent also details the different lens surfaces, magnification, bending and other physical dimensions, as well as spectral and chromatic aberration solutions.

In addition, in terms of sensors, the original sensor size of 1.2 micron per pixel is used like the current iPhone to ensure the quality of the image.

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