I personally do not consider camera functionality as one of the top factors before buying a mobile phone. With so many applications that are easily made available online for download today, an ugly taken photo could easily be edited into a beautiful one. Furthermore, DSLR cameras are such a craze these days and people carry them everywhere despite its bulkiness and quite heavy weight. Thus, Nokia releasing its jaw-dropping 41 megapixel camera phone does not seem like a big of a deal. Consumers are mostly looking out for features like touch screen and platform for easy downloading of applications. - http://www.jzandf.com
Sounds more like a marketing thingy than anything else.
Pretty convinced the performance bottleneck/resolution limit in mobile cameras is to be found in the small aperture optics and not in the sensor chips. This will probably mostly contribute to oversampling of the signal and not to increased picture resolution.
The small lens in front of the sensor has limited light gathering capability (and depth of field) so the sensor has to be extra sensitive to compensate. From a practical point of view, there is also the issue of getting images out of the camera to friends and family. Many email systems reject email with 8 MB. People may need to learn how to adjust their settings to capture less pixels so they can share their images easily.
According to camera review sites this IS a real breaktrough. The sensor is 3x bigger than in standard compact cameras and the pixel concept is highly innovative.
Of course is cannot compete with a DSLR, but that I don't carry with me while for example skiing, hiking or sailing.
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