Review: ExoLens iPhone Lens System with ZEISS Optics

These days, smartphones can take some pretty great photos all on their own, but the biggest limitations of their cameras is the size of the lens and the size of their image sensors. Built-in lenses are usually set to a middle-of-the road field of view, so they’re usually best for general purpose usage, and not optimized for super wide angle shots, super close-ups or long shots.