A circulating polarizing filter is included in the bundle as well which blocks unwanted light reflections and makes the colors appear closer to what the naked eye actually sees. The CPL can be used directly on the Olloclip fisheye lens and on the macro lends (with the step-down adapter).
Olloclip initially stated as a Kickstarter campaign nearly two years ago for the original iPhone 4. It now is one of the most popular accessories among photograhers for the iPhone.
You can grab the telephoto lens wich comes with the telephoto lens, step down filter adapter, circular polarizing filter and cap for $99.99 at select retailers.
Read More via TUAW
With Naked iPhone Lens
With Telephoto 2X Lens