MWC 2017: Sony smartphone films in super-slow-motion

Sony's latest flagship smartphone is able to film at 960 frames per second.

It creates footage at four times the rate than the slowest slow-mo modes of Apple's iPhone 7 and Samsung's Galaxy S7 .

The device was unveiled on the first day of the Mobile World Congress trade show in Barcelona.

BBC Click's Spencer Kelly explains how it works.

See more at Click's website and @BBCClick.

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