According to an Apple patent application published by the U.S. Patent and Trademark Office and detailed by PatentlyApple, Apple is at the very least conceptualizing a device that sports a removable back panel for easily replaceable components such as lenses or optical solutions.
While it is unclear whether the invention would be used in a standalone camera, next-generation iPod or iPhone, or a different device entirely, the patent detailed several methods of upgrading a device with supplementary optics:
Apple detailed several features that could be added through the easily swappable supplementary optics, including: improved zoom capabilities, better shutter control, removable close-up lenses, and the addition of motion sensors, flashes, or a lens baffle. As an example, the report explained a removable IR cut-off filter that would allow “capturing black and white images at very low light levels. Without the IR-cut filter the camera’s light sensitivity may extend to 0.001 lux or lower.” The report also broke down how the removable back panels could be implemented:
