If you like the idea of Sony's QX lens system, but don't warm to the extra weight and bulk (not to mention the rather high price tag) it adds to your smartphone, Ztylus has something that may be of interest. The company has produced a stylish case to protect your iPhone, Note 3 or S4 from life's bumps and scrapes that's also home to a circular mount onto which a multiple lens system is attached. This gives mobile snappers four additional lens options to play with. The downside is that the case and lens system need to be purchased separately, but it's still a nifty way to expand the photographic capability of your smartphone.
Read the full article: Ztylus smartphone case packs 4-in-1 lens system