The Proto Lens was actually our initial proof of concept Lens. But it was so simple and elegant in its design we left it as a lens to choose from. The Proto Lens does not have any unique configuration options of its own, but it still does a wonderful job of presenting your content beautifully.
Sources This Lens Works With:
500px, Dailymotion, Dribbble, Flickr, Google+, Google+ Images, Instagram, Pinterest, Posts, RSS Feeds, Twitter, Vimeo, YouTube, Custom Content