As Bilton notes: “Companies are producing dozens of inexpensive smartphone attachments that can easily convert a mobile phone into a mini-professional camera. These products include zoom, fisheye and ultra-up-close macro lenses — all designed to snap onto a smartphone and make photos look as if they were shot with an expensive single-lens reflex camera. And for the most part, they are easy to use.”
The article covers the Glif, the Olloclip, etc.
