| 摘要 |
A camera lens can be subject to lens flare due to light reaching a camera sensor from outside of the camera field of view. When an electronic device size is reduced such that a lens cannot be recessed relative to the device housing, the lens can capture stray light. To reduce the chance that stray light reaches the lens and sensor, the lens can be treated with a photochromatic treatment. Properties of the photochromatic treatment, as well as the distribution of the treatment can be selected to reduce lens flare caused by particular types of light. In some embodiments, a photochromatic treatment can instead or in addition be applied for a cosmetic purpose. For example, a photochromatic treatment can be applied to a device housing, icons or text displayed on the device enclosure, on a mask within a device display window, or any other electronic device enclosure component.
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