There are four cameras on the back of the brand-new Huawei P30 Pro. It has a standard camera; an ultra-wide lens; a “time-of-flight” camera for depth-sensing; but the one that has got us all talking is the telephoto, mega-zoom lens.
Huawei calls it the Periscope lens and it’s every bit a technological marvel as the critics are making it out to be. Periscopes are what you find in submarines, comprising a tube with a series of mirrors that let you see things that are out of regular sight.
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https://www.slashgear.com/why-mega-zooms-like-the-huawei-p30-pro-bring-us-closer-to-danger-13573174/
