In the constant battle to provide consumers the best smartphone camera, one area that Apple has yet to innovate is optical zoom, which could use a so-called "periscope lens." We explain what the technology does, and how it could potentially increase the zoom range on the iPhone and other products with imaging capabilities.Over the years, smartphone producers have worked hard to give consumers the optimal user experience, and part of this is in the field of photography. Improvements in camera sensors have led to increased resolution sizes for photographs, along with low-light performance gains and optical image stabilization.The smartphone camera war has also focused heavily on computational photography, where onboard algorithms and potentially the use of multiple camera sensors can produce a far more detailed or better image than a single camera could on its own.Read more
