A newly-published Apple patent application would allow people to swap out parts on mobile devices, specifically lenses, notes Patently Apple. "The digital imaging subsystem is typically enclosed within the case of the device to protect the digital imaging subsystem," Apple writes. "The enclosure generally prevents direct access to the lens of the digital imaging subsystem for the purpose of providing any sort of supplementary optics, especially if the supplementary optics must be precisely aligned with the image sensorIt would be desirable to provide a structure for a compact device that