This is the HS-RSS, a concept for cellphone photo printing. Add one of those telephoto lenses and you’re a 2-megapixel Ansel Adams. Seriously, though, let’s say we start getting cellphones that take pictures worth looking at (image stabilization would help). Would you print photos from a cameraphone?
https://gizmodo.com/telephoto-lens-for-your-phone-141114
Too cool for your phone [Gadget Madness]